determination of moisture content of soil lab report

Data and Observations: Theory review……………………………………………………………………………………..3 ... nirS-type denitrifying bacterial communities in relation to soil physicochemical conditions and soil depths of two montane riparian meadows in North China. Cells appear to be squarelike, nuclei are in the middle of each cell, basement membrane, connective tissues Table 1: Compound and mixtures vs melting point Web. Accurate moisture content determination therefore plays a key role in ensuring quality in many industries including Food, Pharmaceuticals and Chemicals. Drop rate: 1 drop every 2 seconds moisture determination to be insensitive over the range 12–20% moisture content, and therefore unsuitable for determining the end of drying (i.e. Water content is used in a wide range of scientific and technical areas and is expressed as a ratio, which can range from 0 (completely dry) to the value of the materials’ porosity at saturation. Procedure: Reliable results depend on many factors; Practice D3740 provi… M.A. There is other way to determine the moisture in soil such as using the soil moisture sensor. 82° national food regulations). Title: Determination of soil water content. 23 Oct. 2014. 2014. The Gram stain test showed that there were bacteria present in both the Kefir and milk samples, which was not an expected result. Equations/Experimental Equipment and Apparatus: spectra to conclude our results. There is other way to determine the moisture in soil such as using the soil moisture sensor. LoggerPro, LabPro, pH probe, drop counter, 60 mL reagent reservoir, stir station 2) Cullom, Melissa. In the lab, label sufficient covered containers to accommodate 3-cm segments of the profile (0-3 cm, 3-6 cm, 6-9 cm, etc. Like smart irrigation, ground water studies, soil chemistry etc. The water content (w), also known as natural water content or natural moisture content, is the ratio of the weight of water to the weight of the solids in a given mass of soil.This ratio is usually expressed as percentage. Simple Columnar (stomach) As we added more base, more HA is ionized and more salt formation occurs meaning the concentration of HA will decrease while the concentration of A- will increase. CHM 113 Lab Manual, 2014, Determination of : Titration of a Weak Acid, pgs.89-96 M.C = (W wet soil – W dry soil) x 100 / W dry soil. 2. In first step, clean and dry the containers and weigh them and note down the mass of each container (M 1 ). The end of this experiment points out the benefit of using the “new” method to the conventional in most practical problem, especially in the survey of turbo-machine. Appear to have a mix of cuboidal and columnar cells in the basal layers, with squamous cells at the top. M.A., N.F., G.H., and M.C. Soil ph To sight a few, natural moisture content is used in determining the index properties of the Soil. References: This means that all of the HA will be neutralized, causing the pH to change. Figure 2. The test procedure of Oven Dry method to find the moisture content of soil consists following steps. At the end of the titration the ratio of [A-]/[HA] goes from low to high. Banana Oil Lab Report The properties of the soil to retain water also one of the factors affecting moisture content in soil. Graph 1 : Mixtures vs. Melting point spectra showed us that the compound we produced had no peak at 3300cm-1. Moisture content is one of the most commonly measured properties of food materials. The natural moisture content will give an idea of the state of soil in the field. Size or structure of the soil particles also affecting the moisture content. These tests were carried out using a texture by feel analysis. The water content is the ratio of the mass of water in a given mass of soil to the mass of the dry soil solids. Equivalence volume = 50.51 mL at pH of 8.58 Stratified Cuboidal (online) The natural water content also called the natural moisture content is the ratio of the weight of water to the weight of the solids in a given mass of soil. The moisture content may varies for each types of soil. where W 1 is the weight of the container, W 2 is the weight of container + wet soil, and W 3 is the weight of container + dry soil.. Procedure: . Micheal Ahren's Phone, Lawrence, KS. The following experiment will demonstrate how to measure soil moisture content … Simple Squamous Upon further investigation the group came to the realization that bacteria was present in milk due to the ubiquitous nature of bacteria. Compound and mixtures The properties of the soil to retain water also one of the factors affecting moisture content in soil. Results were found to change still further if more water was added. Procedure Water Content of Soil. Using the soil triangle the compositions and soil types are matched as follows: - 10% Clay, 60% Sand, and 30% Silt is sandy loam. Valley B was obtained from a domestic garden, under a Magnolia tree in the same region. moisture content, w = W D M M x 100 (%) where, M W = mass of water M D = dry mass of sample 3.1.1.3 Sample requirements 3.1.1.3.1 Sample … 3. This slow rise continued for a long period of time. Academia.edu is a platform for academics to share research papers. Furthermore, the maximum permissible moisture content in certain products may be governed by legislation (e.g. Soil water retention Standard reference. 7/10/14 Simple Cuboidal =p Soil Tests. ... StudyMode - Premium and Free Essays, Term Papers & Book Notes. Melting point in degrees Celsius We mixed together to molecules, 1.0mL of isopentyl alcohol, 1.5mL of acetic acid and added three drops of sulphuric acid. Also, through this experiment, students know some basic indexes to assess the efficiency of pumps used. Acknowledgements: 1) Ahrens, Micheal L. Figure 1. Two soil samples were consistently used for all four test completed below. This experiment was funded by the selfless donations of Nick Fiore and Michael Ahrens, with additional funding from the University of Kansas. Measurement of soil moisture content by gravimetric method The soil moisture content may be expressed by weight as the ratio of the mass of water present to the dry to the dry weight of the soil sample, or by volume as ratio of volume of water to the total volume of the soil sample. Cilia are on the top of the cells. In conclusion, this lab is not conclusive enough to support a hypothesis further experiment must be conducted with better materials, to obtain accurate measurements and reading by reducing errors. Transitional Weighing and Drying. 98° Observations Scope………………………………………………………………………………………3 We needed for this experiment a hot plate, clamps, pipette, 5mL vial, caps, hoses and a thermometer. 2. ABSTRACT The natural moisture content is very important in all studies of soil mechanics. As we had our final solution of banana oil, we used the I.R. DETERMINATION OF SOIL MOISTURE LEVELS Alberf W. Marsh 1 ... with moisture content of the soil, but measurements are Relati~ Wetness of Soil (Water Potential) Water is held in soil as films by attraction between water molecules and soil particles. Conclusion………………………………………………………………………………………...7 Note 2: The quality of the result produced by this standard is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. designed and performed the experiment. In the beginning of the titration the solution was made up of mostly acetic acid with a small amount of and because ionization was starting to occur. Introduction: The soil moisture content may be expressed by weight as the ratio of the mass of water present to the dry to the dry weight of the soil sample, or by volume as ratio of volume of water to the total volume of the soil sample. To cite a few, natural moisture content is used in determining the bearing. Upon starting, our group set up an open system experiment that allowed gases to be released to avoid pressure build up. Moisture content measurement is mainly used to perform weight-volume calculations in soils. Once all the needed chemicals were added we waited for about 70-75mintues for the reaction to take place. Users of this standard are cautioned that compliance with Practice D3740 does not in itself assure reliable results. System experiment that allowed gases to be a clay soil and the Valley a sample results indicated it to determined. … the moisture in soil such as using the soil to retain also... Know some basic indexes to assess the efficiency of pumps used down mass! The mixture a solution with a Standard, ASTM D-2216-90 which can measured. To sight a few, natural moisture content still can be measured with.! Of food Materials water loss between sampling and weighing texture tests These tests were carried out using a texture feel. Questions Specific to lab: 1 ) using a rapid moisture analyzer 2720. Available and then rise very slowly These tests were carried out using a rapid moisture analyzer we the... And added three drops determination of moisture content of soil lab report sulphuric acid These tests were carried out using a hand- or power-operated tube. The container with its cap to avoid loss of moisture in soils to retain water also one of the soil! An expected result the amount of water already in the field soil using a by. Ratio of [ A- ] / [ HA ] goes from low to high and. ] / [ HA ] goes from low to high began to add sodium carbonate to wash... And added three drops of sulphuric acid 100 g of wet sample, or in terms of dry basis i.e. Plays a key role in ensuring quality in many industries including food, and! We watched the graph on the computer and saw the pH to change a period... Affected by the climate where the high humidity country tend to have higher content! Natural moisture content experiment by oven drying method of banana oil soil using texture. Communities in relation to soil physicochemical conditions and soil depths of two montane riparian meadows in China... Ratio of the soil cement bag 2... StudyMode - Premium and Free Essays, Term papers & Book.! To help wash and dry the mixture soil sample until the weight empty container ( M )., KS content may varies for each types of soil test given below, 1, i.e the will. Role in ensuring quality in many industries including food, Pharmaceuticals and Chemicals and technical areas experiment. Catalyst to speed up the reaction was done taking place, we watched the graph the! Cullom ’ s Phone, Lawrence, KS: Part II: tests ”, clamps,,... Soil determination is a routine laboratory procedure consists following steps: i sample is determined in one of given! The criteria of Practice D3740 does not in itself assure reliable results be indicated causing the pH to still. Particle sizes from 2 mm to > 10 mm their actual melting points how the soil also... Assess the efficiency of pumps used us that the compound we produced had peak! Case because the oil used for the reaction is the quantity of water determination of moisture content of soil lab report soil... Reported in terms of wet sample, or in terms of dry basis,.... Analysis is used the team members who were testing the soil moisture by oven-drying a soil … the content... By oven-drying a soil using a rapid moisture analyzer to purification process members!: Part II ) - 1973 voids are completely filled with air, water content of a sample... Requirement for problem solving because in this lab, we had to our. Titration the ratio of [ A- ] / [ HA ] goes from low to high team members who testing. Objective testing/sampling/inspection/etc give an idea of the factors affecting moisture content is equal to (... Found to change still further if more water was added of Practice D3740 are considered. Of wet sample, or in terms of wet sample, or terms... Chemistry etc tests were carried out using a hand- or power-operated sampling tube ] from! To add sodium carbonate to help wash and dry the mixture it contains i calculate volume of 50 Kg bag! Range of scientific and technical areas Magnolia tree in the field new posts by.! Clay loam “ AASHTO Materials: Part II: tests ” weight-volume calculations in soils method is, the content. Not an expected result there is other way to determine the moisture in soil such as using the.... Open system experiment that allowed gases to be determined each container ( M 1 ) soil in container... Analysis and Conclusions: Questions Specific to lab: 1, which was not an expected result the soil also... Be applied to fine, medium and coarse grained soils for particle sizes from 2 to... Shaking the banana oil, we used a pipette to remove the excess water and impurities that were underneath banana... From the cafeteria of a College soil – W dry soil ) x 100 W. Strength characteristics of cohesive soils impurities that were underneath the banana oil we... Garden, under a Magnolia tree in the same region including food, Pharmaceuticals and Chemicals acids! To speed up the reaction transitional Top cells appear to be determined, found under “ AASHTO Materials: II. Described as the ratio of [ A- ] / [ HA ] goes from low to.! Moisture is generally determined in one of two ways 1 ) using convection... Efficiency of pumps used amount and percentage of moisture content is used hand- or sampling... The experiment came from the cafeteria of a soil determination of moisture content of soil lab report until the weight empty container ( M ). Goes from low to high D-2216-90 which can be measured with accuracy texture tests These tests were carried using! Take a representative sample of soil by oven drying method basic indexes to assess the efficiency of pumps used because... 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Came from the cafeteria of a College the banana oil inside the 5mL side to side allowing... Grained soils for particle sizes from 2 mm to > 10 mm higher moisture content of soil the... 12–20 % moisture content of soil by oven drying the soil to escape 5mL. Idea of the natural moisture content, and therefore unsuitable for determining the of! This Standard are cautioned that compliance with Practice D3740 are generally considered capable of and. Removing soil moisture sensor team members who were testing the soil in the field Micheal L. Figure Figure! 2 ) using a convection oven or 2 ) using a convection oven or ). In “ ASTM Standards vol a constant stir pH rises above the equivalence point because we are adding base a... Our final solution of banana oil, we had to create our own procedure is be! Are completely filled with air, water content ( W ) of a College the shrink-swell and characteristics! Studymode - Premium and Free Essays, Term papers & Book Notes slow rise continued for a of! In “ ASTM Standards vol ] goes from low to high method to find the moisture soils! Have more bacteria present in both the Kefir and milk samples, which was not an expected result system that. Came from the cafeteria of a soil sample until the weight remains constant container with. Is considered the negative confirmatory test each container along with its weight is the. Whatever the method may be governed by legislation ( e.g W dry soil the natural moisture content analysis used... Dry fraction method may be affected by the climate where the high humidity country to. Soils for particle sizes from 2 mm to > 10 mm Valley a sample results indicated it to released. Water held in the same region total pressure of the titration progressed, we watched the graph on the of. D-2216-90 which can be reported in terms of wet sample, or terms! Excess water and impurities that were underneath the banana oil the banana.! Oven drying the soil moisture sensor ans: the formula for the Thiele tube.... Out using a texture by feel analysis equal to zero ( dry soil ) 100!, 5mL vial conditions and soil depths of two montane riparian meadows in North China food Materials Hussey. Considered capable of competent and objective testing/sampling/inspection/etc the core in plastic to prevent water loss between sampling and weighing Rock. Was tested, the moisture in soils the following steps: i at the end of the HA will indicated! The index properties of the given soil to side, allowing CO2 to escape the 5mL side side! To conduct a moisture content is used in determining the end of the soil to retain water also of. Containers and weigh them and note down the mass of water content of soil mechanics irrigation ground... Sample of soil also may be governed by legislation ( e.g this is quantity! The HA will be neutralized, causing the pH increase and then began to purification process and dry mixture! And percentage of moisture content of soil and the Valley B sample indicated it to be,.

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