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Why the hydrolyzed sample must be in contact with hydrolyze agent in determination of crude fiber?
In the determination of crude fiber, the hydrolyzed sample must be in contact with a hydrolyzing agent to break down complex carbohydrates such as cellulose and hemicellulose into simpler components. This process allows for the separation of insoluble fiber from soluble fiber, enabling accurate measurement of crude fiber content. Without proper hydrolysis, the fiber components may not be effectively separated and quantified, leading to inaccurate results.
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Does the size of a sample change its density determination?
no
What are the elements that affect determination in a sample size?
Margin of error, level of significance and level of power are all elements that will affect the determination of sample size.
What are the four steps to design a good sample?
The FOUR steps to follow in order to design a good sample are: I. Determination of the data to be collected or described II. Determination of the population to be sampled III. Choosing the type of sample IV. Deciding on the sample size
Why the NaOH solution is heated before adding BaCl2 in the two solutions method for determination of purity of NaOH sample?
Why the NaOH is heated before adding in BaCl2 for determination of purity of NaOH sample?
What color is produced of hydrolyzed DNA in bial's test?
Hydrolyzed DNA in Bial's test produces a blue-green color due to the reaction of deoxyribose sugars with orcinol reagent and sulfuric acid. This color change indicates the presence of pentoses in the sample.
Ten application of redox titration?
1-determination of ferrous [Fe+2] ion in a sample solution in(g\L).2-determination of (ferrous and ferric )in a mixture. 3-determination of purity of KClO3 sample. 4-determination of [fe+2] in unknown sample. 5-determination of total iron [Fe] in an iron ore. 6-determination of [Fe+3] in a sample. 7-determination of available chlorine in bleaching powder.
Why dry sample is use in determination of crude fat?
A dry sample is used in determination of crude fat to remove water content, which can interfere with the accuracy of the results. By using a dry sample, the fat content can be extracted more effectively using a solvent, producing more accurate results.
How could one determine whether a sample of aspirin is pure or not?
The determination is by chemical analysis.
A sample that uses only people who are easy to contact is called a?
... convenience sample.
What is the best sample for the determination of blood pH and blood gases?
arterial blood
Why do sample should be keep in dark place for 30minutes in determination of iodine value?
Samples are kept in the dark for 30 minutes in the determination of iodine value to prevent the oxidation of unsaturated fats by light. Exposure to light can cause the fats in the sample to undergo photooxidation, which can result in inaccurate measurement of the iodine value.
A convenience sample is made up of people who are?
easy to contact.
