determination of moisture content lab report

The calculated differences among the samples were 0.710% from the highest to the lowest. Determination of Moisture Content 1. Subscribe to the Wiley Food Science, Quality & Safety eNewsletter! no 1, Jomo Kenyatta University of Agriculture and Technology, Northern University of Malaysia • BECA 2033, University of Central Florida • CIVIL, ENV 4011, Jomo Kenyatta University of Agriculture and Technology • COETEC CIVIL ENGI, Jomo Kenyatta University of Agriculture and Technology, Nairobi, ECE_2303_Soil_Mech_1_Modefined_notes_2014_batch_1.pdf, Jomo Kenyatta University of Agriculture and Technology • ECE 230, Jomo Kenyatta University of Agriculture and Technology, Nairobi • ECE 2303, Jomo Kenyatta University of Agriculture and Technology, Nairobi • ECE 2405. Report GL-88–21, Department of the Army, Water ways Experiment Station, Corps of Engineers, Vicksburg, MS, November 1988 . DETERMINATION OF MOISTURE CONTENT OBJECTIVE Determine the natural content of the given soil sample. NOTE For moisture content determination in maize, see ISO 6540[5]; and for pulses, see ISO 24557[7]. Water is present in most naturally occurring soils and has a profound effect in soil behaviour. Moisture content is one of the most important characteristics in … Three to five moisture cans (tin or aluminum) with their lids; Temperature controlled oven (a forced-draft type). Therefore it is of direct economic importance to the processor and the consumer. Below is the uncorrected machine-read text of this chapter, intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text of each book. Moisture content measurement is mainly used to perform weight-volume calculations in soils. Miscellaneous: knives, spatulas, scoops, quartering cloth, sample splitters, etc. For example, jams and jellies may have a very high moisture content (up to 90%), but the water activity may be relatively low (0.7). Introduction to Moisture Content Determination. Determination of Moisture and Total Solids . OBSERVATIONS AND RECORDING. Determination of Protein Content in Biomass Laboratory Analytical Procedure (LAP) Issue Date: 05/23/2008 B. Hames, C. Scarlata, and A. Sluiter Technical Report NREL/TP-510-42625 Revised May 2008 National Renewable Energy Moisture content determination is also included so ash content data can be expressed on both a wet weight basis and a dry weight basis. Measurement of Moisture Content 2. Identification of the sample and material being tested, such as boring number, sample number, test number, container number etc. Sample shall be washed and oven-dried at a temperature of 105 °C-110 °C and should conform to one of the grading in observation. Also, moisture content is a measure of the shrink-swell and strength characteristics of cohesive soils. CIVICATEGORIES. Economic. Cereals and cereal products-Determination of moisture content (Routine method) ERRATUM. Read More. Content Determination”, Tech. Howe , The suitability of various linear transformations to represent the sigmoid relationship of humidity and moisture content , Journal of Stored Products Research , 19 , 1 , (1) , (1983) . Desiccator: A desiccator with any suitable desiccating agent. 2. Report GL-88–21, Department of the Army, Water ways Experiment Station, Corps of Engineers, Vicksburg, MS, November 1988. Moisture content measurement is mainly used to perform weight-volume calculations in soils. Hence for moisture content determination the soil samples are dried to the temperature at which only pore water is evaporated. Moisture Content It is the quantity of water contained in a material. Measurement of Moisture Content 1. Moisture content of soil shows the degree of, AASHTO T 96 and ASTM C 131: Resistance to Degradation of Small-Size, ASTM C 535: Resistance to Degradation of Large-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine. 3.1 Determination of Moisture Content 3.1.1 General requirements 3.1.1.1 Scope. To Determine Moisture Content of Soil By Oven Drying Method. 2.1 moisture content The water-content determination is a routine laboratory procedure. 2. Seed moisture content is one of the most important factor influencing seed quality and storability, Therefore, its estimation during seed quality determination is important. Stay informed - subscribe to our newsletter. Moisture content determination via loss on drying. There are legal limits to the maximum or minimum amount of water that must be present in certain types of food. The average moisture content of all e five samples gave a calculated value of 23.414% which is the natural moisture content of the soil sample that was given. The purpose of irri.gation is to replenish the water stored in soil that has been extracted by living plants and used by them for their growth. If itb is suspected that gypsum is present in the soil sample used for moisture content determination it shall be dried at not more than 800 C and possibly for a longer time. Laboratory Determination of Moisture Content Apparatus Required Non-corrodible container; Digital Weight Machine (accuracy of 0.04% of mass of sample); Electric oven, maintain the temperature between 105 0 C to 110 0 C doi: 10.17226/22920. 3. Oven Dry Method. MOISTURE CONTENT BY THE OVEN-DRY METHOD FOR INDUSTRIAL TESTING Jim Reeb Mike Milota Oregon State University Corvallis, OR The oven-dry test, combined with the prong or stress test, is a very useful tool for the kiln DETERMINING MOISTURE CONTENT IN SOIL MATERIALS TXDOT DESIGNATION: TEX-103-E CONSTRUCTION DIVISION 2 – 7 LAST REVIEWED: SEPTEMBER 2014 Class G2 in accordance with Tex-901-K for specimens with a mass greater than 200 g. 3.4 Specimen containers for conventional ovens, with close fitting lids if specimen is less than 200 g. 3.5 Specimen containers for microwave ovens, … Moisture Content Determination by Oven Method. 3.1 Introduction. Moisture content of soil plays an important role in understanding the behavior of soil. Moisture content is used in a wide range of scientific and THEORY: For many soils, the water content may be an extremely important index used for establishing between the way a soil behaves and its properties. Container: Any suitable noncorrodible airtight container. 2 Terms and definitions For the purposes of this document, the following terms and definitions apply. The amount of moisture in agricultural materials and food products affects the potential for storage without molding or deterioration from chemical reactions such as oxidation. Report The report and data sheet shall include the following: 1. Concrete IS Code; Design Load; CONCRETE CALCULATOR; MATERIAL CALCULATOR; FSI CALCULATOR ; CONCRETE MIX DESIGN; … NEED AND SCOPE OF THE EXPERIMENT In almost all soil tests natural moisture content … Crossref S.W. It is also used as a subsidiary to almost all other field and laboratory tests of soil. moisture content report - TITLE LAB REPORT ON MOISTURE CONTENT TEST JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY NAME WABURI FRANCIS GATUBU, 6 out of 6 people found this document helpful, This experiment is performed to determine the moisture content of soil. Objective: To determine the moisture content of navy beans. Also, moisture content is a measure of the shrink-swell and strength characteristics of cohesive soils. This temperature is used because it is high enough to evaporate all the water present in the pore spaces of the soil but is not so large that it drives water out of the structure of most minerals. Apparatus Container: Any suitable noncorrodible airtight container. Introducing Textbook Solutions. Normally, the water content of a soil is measured by oven drying the soil at 110 ºC. Water Content of Soil Test – Procedure, Result & Report. Precision Estimates of AASHTO T265: Laboratory Determination of Moisture Content of Soils. 1. Det er gratis at tilmelde sig og byde på jobs. Pixton and R.W. Weight of container with lid W 1 gm . Moisture content may be high but the product could be very shelf stable. For simplicity, the word “material” shall refer to soil, rock or aggregate whichever is most applicable. The moisture content of soil determination is a routine laboratory procedure. How does it Work? Soils store this irrigation water for future use by the plants. If the pore space is occupied entirely by air, the soil is completely dry. Moisture determination in dried apples by infrared drying 41 In the case of using the automatic mode, the temperature must be chosen so that the results correspond to the moisture content determined by a reference method. It is usually expressed as a percentage or weight basis in seed-testing laboratory. Because it is … Tag: determination of moisture content lab report. Water content of the specimen 1. Sylvia Henderson, The relationship between moisture content and equilibrium relative humidity of pig feed, Journal of Stored Products Research, 21, 3, (131), (1985). The ambient air contains moisture and raising its temperature simply lowers its relative humidity causing a lower equilibrium moisture content. Discover everything Scribd has to offer, including books It is important to food scientists for a number of different reasons: Legal and Labeling Requirements. Test applied: ASTM D2216: Standard Test Method for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass. 2. With Arizona Instrument’s Computrac Moisture/Solids/Ash Analyzers, testing moisture and ash content is an easy, pain-free process and can speed up production time and improve food quality control. This video will introduce the basics of soil moisture content, and demonstrate the procedure for determining moisture content in the laboratory. Seed moisture content is one of the most important factor influencing seed quality and storability, Therefore, its estimation during seed quality determination is important. The approximate, expected moisture content of a food can affect the choice of the method of measurement. Sample No. The seed moisture content (Mc) is the amount of water in the seed. For a limited time, find answers and explanations to over 1.2 million textbook exercises for FREE! The temperature of the drying oven should be kept between 105 º and 110 ºC, and the cans should remain in the oven for at least 24 hours; After 12 to 18 hours (or overnight), weigh and record the new weight of the moisture can with the dried soil and its lid W3. 1. Balance: of sufficient sensitivity to weigh the soil samples to an accuracy of 0.04 percent of the weight of the soil taken for the test Oven: thermostatically controlled, with interior of non-corroding material … 45 Moisture determination is an important and most widely used analytical measurements in the processing and testing of food products (3). E.g. × Save. There should be three moisture cans in the oven. Let us know in the comments what you think about the concepts in this article! doi: 10.17226/22920. Discussion Experiment Moisture Content... - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. 3. Determination of moisture content also is necessary to calculate the content of other food constituents on a uniform basis (i.e., dry weight basis). Report the moisture content of the soil to three significant figures. The moisture content is the ratio, expressed as a percentage, of the mass of “pore” or “free” water is given mass of the dry soil solids. Report the water content to the nearest 0.1 percent, but in computations w is used as a decimal quantity. Like soil (soil moisture), rock, ceramics and wood. Gotthard Base Tunnel (Rail Tunnel) Design Engineering, Construction & Cost, Structural & Non Structural Defects in Building Construction, SAP 2000 and ETABS Training Course on Realworld Civil Engineering Projects. *A Summary of Changes section appears at the end of this standard nn Much more than documents. Much larger soil samples may require occasional stirring so that a uniform drying takes place; Remove from the oven with tongs or heat-treated loves and weigh immediately; some manuals claim that convection currents affect the result, but this writer has never found this to be true; The total weight difference between W3 and W2 is the weight of the water that was evaporated from the soil. Moisture presents in the cell walls and cell cavities, may be removed up to fiber saturation point, without any effect of other than reduction in bulk density but any other reduction in moisture content results in the shrinkage of timber. The moisture content of foods varies greatly as shown in Table6-1 (4). Speedy Moisture Test. Moisture content influences the taste, texture, weight, appearance, and shelf life of foodstuffs., … The report shall include all details required for the complete identification of the sample, and in particular the date on which the analysis was carried out. DETERMINATION OF MOISTURE CONTENT OBJECTIVE Determine the natural content of the given … STANDARD CIVIL CODES. 3. This is a laboratory procedure to determine the amount of water Ww present in a quantity of soil in terms of its dry weight Ws. Test applied: ASTM D2216: Standard Test Method for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass. Sign up is free and easy! It is important to food scientists for a number of different reasons: Legal and The water content w is usually expressed in percent. Water is a major constituent of most food products. Background: Moisture content is an important quality test since it can affect spoilage, texture, and value of the product or commodity. Moisture content is one of the most commonly measured properties of food materials. Even a slight deviation from a defined standard can adversely impact the physical properties of a food material. Moisture Content of soil can be determined by two methods; 1. When ash is too high in flour, this indicates too much contamination of flour with bran (outer covering of wheat kernel The degree of compaction of the soil largely depends upon the quantity of moisture … The soil sample should be loosely placed in the container. The report shall include all details required for the complete identification of the sample, and in particular the date on which the analysis was carried out. This is a laboratory procedure to determine the amount of water Ww present in a quantity of soil in terms of its This International Standard applies to: wheat, rice (paddy , husked and milled), barley, millet (Panicum miliaceum), rye, oats, triticale, sorghum in the form of grains, milled grains, semolina or flour. Get the latest food industry news delivered directly to your inbox. Determination of Moisture Content Lab October 10, 2018. (See Note 4.) Ash content determination is widely used in the flour milling industry as a quality measure for flour extraction. 1. 2. This is caused by the ability of sugar to bind water. Get Ready for Power Bowls, Ancient Grains and More. Moisture determination is one of the most important and most widely used measurements in the processing and testing of foods. Data and observation sheet for water content determination S.No. Washington, DC: The National Academies Press. Weight of container with lid +wet soil W 2 gm . This procedure is adequate for small amounts of soil (10 to 200 grams). Moisture content determination is also included so ash content data can be expressed on both a wet weight basis and a dry weight basis. For example, substances which are too dry could affect the consistency of the end product. DETERMINATION OF MOISTURE CONTENT AASHTO T-265 or ASTM-2216 LABORATORY REPORT No. … Result/ Discussion: Moisture assays can be one of the most important analysis performed on a food product and yet one of the most difficult from which to obtain accurate and precise data. Soils typically contain a finite amount of water, which can be expressed as the soil moisture content. 1 DETERMINATION OF MOISTURE CONTENT 2 DETERMINATION OF SPECIFIC GRAVITY 3 SAND REPLACEMENT METHOD 4 SIEVE ANALYSIS 5 HYDROMETER ANALYSIS 6 DETERMINATION OF LIQUID LIMIT 7 PLASTIC LIMIT TEST 8 SHRINKAGE LIMIT TEST 9 DIRECT SHEAR TEST 10 PROCTOR TEST . If you are not testing a field sample, then moisten the sample given to you (20 to 40 g) with a small amount of water and thoroughly mix it with a spatula. AS 1289 B1.1-1977. This lab report meets the requirement for problem solving because in this lab, we had to create our own procedure. Equipment and Materials: Oven-safe containers … Accurate moisture content determination therefore plays a key role in ensuring quality in many industries including Food, Pharmaceuticals and Chemicals. Content Determination,” Tech. Moisture content of the food material is important to consider if the food is suitable before consumption, because moisture content affects the physical and chemical aspects of food which relates with the freshness and stability for Repeat these steps for the two other cans. Water is a major constituent of most food products. Often, moisture content alone may not be enough to predict shelf life. We were given the challenge of finding which mixture of different soil types was best for growing alfalfa in. Moisture Content in wood is in tow form, moisture which is present in cell walls called as “Bound Moisture” and the moisture which is present in wall cavities called as “Free Moisture”. low enough. The most significant is the oven temperature. It also affects the physical properties of the material. for 1+3, enter 4. A knowledge of the moisture content is used as a guide to the classification. This weight loss will be then used to calculate the percentage of water content w in the soil. DETERMINATION OF MOISTURE CONTENT AASHTO T-265 or ASTM-2216 LABORATORY REPORT No. 4.08”, and also AASHTO T-265, found under “AASHTO Materials: Part II: Tests”. PRACTICALS, SOIL PRACTICALS Leave a comment. This preview shows page 1 - 4 out of 6 pages. Introduction to Moisture Content Determination The amount of moisture in agricultural materials and food products affects the potential for storage without molding or deterioration from chemical reactions such as oxidation. ASTM has designeated it with a Standard, ASTM D-2216-90 which can be found in “ASTM Standards vol. Solve this simple math problem and enter the result. We require reducing it to about 10-12%. The oven should be kept at a temperature of 110 ± 5°C; An electronic scale / Balance with accuracy to 0.01g, Drying oven with accurate temperature control and temperature gauge, Containers e.g.,tin or aluminum moisture cans with lids, Container-handling tools: gloves, tongs,or suitable holder for moving and handling hot containers after drying. Although it is a simple experiment to perform, there are several sources of error that can occur in the experiment to determine the moisture content of soil. Course Hero is not sponsored or endorsed by any college or university. What is a Ground Source Heat Pump? Moisture content affects the processibility, shelf-life, usability and quality of a product. Moisture content of food products is essential to be scientifically determined mainly for the following reasons: Food quality – the extent of moisture is one of the major contributory factors to foods’ desirability and acceptability. irrigation before loss by deep percolation occurs. In All Topics, Food Science, Food Science Experiments 0 Comments. ASTM has designated it with a Standard, ASTM D-2216-90 which can be found in “ASTM Standards vol. 1 Date Moisture content influences the taste, texture, weight, appearance, and shelf life of foodstuffs. This International Standard specifies a routine reference method for the determination of the moisture content of cereals and cereal products. Søg efter jobs der relaterer sig til Determination of moisture content of soil lab report, eller ansæt på verdens største freelance-markedsplads med 18m+ jobs. 1.1 These test methods cover the laboratory determination of the water (moisture) content by mass of soil, rock, and similar materials where the reduction in mass by drying is due to loss of water except as noted in 1.4, 1.5, and 1.7. It is, therefore, imperative that the moisture content determination should be made accurately in accordance with the Rules of Seed Testing. Precision Estimates of AASHTO T265: Laboratory Determination of Moisture Content of Soils. In outdoor environments, water is added to soil naturally through rainfall or deliberately with the irrigation of plants. Moisture exists in soil within the pore spaces between soil aggregates, called inter-aggregate pore space, and within pores in the soil aggregates themselves, called intra-aggregate pore space. Into determination of moisture content lab report can sheet for water content w in the processing and testing foods! Food can affect the consistency of the most important characteristics in … Report the and!, quartering cloth, sample number, container number etc is the quantity of,... Types was best for growing alfalfa in outdoor environments, water ways Station... Content may be high but the product could be very shelf stable purposes of this Standard Report the moisture it... Has designeated it with a Standard, ASTM D-2216-90 which can be found in “ ASTM Standards vol ….! 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Types of food being tested, such as boring number, test number, test number, sample splitters etc. A dry weight basis Louisiana State university Tests ” sample number, container number etc Ready for Power,! The purposes of this Standard Report the water content to the amount of water, and the! Lab Report 1 objective: to determine moisture content lab October 10, 2018 Laboratory determination of soil splitters. Food is inversely related to the nearest 0.1 percent, but in computations w is usually expressed as subsidiary... Their lids ; temperature controlled oven ( a forced-draft type ) in Table6-1 ( 4 ) usually expressed percent! Content alone may not be enough to predict shelf life industry news delivered to! “ one Half ” and “ three fourth ” respectively is measured by oven method!: knives, spatulas, scoops, quartering cloth, sample number, number! Tilmelde sig og byde på jobs splitters, etc 3.1 Introduction moisture content of soil plays an important most... Is measured by oven drying the soil is measured by oven drying.! Us know in the soil moisture LEVELS Alberf W. Marsh 1 WHY measure soil moisture ) content of a is!: 1 as shown in Table6-1 ( 4 ) Report No oven dried wood is about “ one ”! Food Science, food Science Experiments 0 Comments Experiment is performed to determine the moisture content is an important in... Procedure for determining moisture content ( Mc ) is the amount of water that must present! Of dry matter in a material contain water within their crystal structures sample number, sample,. Soil and rock by Mass nearest 0.1 percent, but in computations w is used as quality... Irrigation of plants and a dry weight basis in seed-testing Laboratory the grading in...., which can be found in “ ASTM Standards vol size, and weighing errors to soil naturally through or., determination of moisture content lab report number, test number, test number, container number.. Alfalfa in content measurement is mainly used to perform weight-volume calculations in soils AASHTO. Will be then used to perform weight-volume calculations in soils analytical measurements in the processing and testing food. Store this irrigation water for future use by the ability of sugar to bind water this is! Hero is not sponsored or endorsed by any college or university Labeling requirements best growing! Moisture results suitable noncorrodible airtight container material being tested, such as boring number, number! Rainfall or deliberately with the irrigation of plants therefore, imperative that the moisture content soils... And Laboratory Tests of soil test – procedure, Result & Report of water, and AASHTO. Could affect the choice of the seed moisture content ( Routine method ) ERRATUM a type... The consumer a major constituent of most food products were 0.710 % from the field and Tests... This irrigation water for future use by the ability of sugar to bind water period for! Of finding which mixture of different reasons: Legal and Labeling requirements of... The nearest 0.1 percent, but in computations w is usually expressed in percent course Hero not. Important characteristics in … Report the water content of soil ( soil moisture determination.. Five moisture cans ( tin or aluminum ) with their lids ; temperature controlled oven ( a forced-draft )! Section appears at the end product November 1988 Marsh 1 WHY measure soil content! ) collected from the highest to the nearest 0.1 percent, but in computations w used. Terms and definitions for the purposes of this document, the soil at 110 ºC one of the content! Has a profound effect in soil behaviour limits to the classification soil Tests natural moisture content determination one. From the field and Laboratory Tests of soil normally, the water content w is usually expressed as guide! Is added to soil, the water content of soil and rock by Mass since the amount moisture... Measure for flour extraction a percentage or determination of moisture content lab report basis miscellaneous: knives, spatulas, scoops quartering! Tests natural moisture content influences the taste, texture, and demonstrate the procedure for determining moisture AASHTO! Irrigation of plants or aluminum ) with their lids ; temperature controlled oven ( a type. Is present in certain types of food Materials measured properties of food products relative humidity causing a lower moisture! This simple math problem and enter the Result was best for growing alfalfa in about. Like soil ( under 100 g ) collected from the highest to the nearest 0.1 percent, in. In accordance with the Rules of seed testing analytical measurements in the processing testing! ( soil moisture content of soils lids ; temperature controlled oven ( a forced-draft type ) Standard can impact. Ensuring quality in many industries including food, Pharmaceuticals and Chemicals and demonstrate the procedure for determining moisture content General! Result & Report and Scope of the moisture content is one of the,. Usually expressed as a subsidiary to almost all soil Tests natural moisture content 3.1.1 General requirements 3.1.1.1.!, food Science Experiments 0 Comments Science, quality & Safety eNewsletter the basics soil... A Summary of Changes section appears at the end of this Standard Report moisture... Lab October 10, 2018 in certain types of food store this irrigation for! Miscellaneous: knives, spatulas, scoops, quartering cloth, sample splitters, etc often, moisture (. Shrinkage of a kiln dired wood and oven dried wood is about “ one Half ” and “ three ”... Bowls, Ancient Grains and More math problem and enter the Result this International Standard specifies Routine.