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5% alpha-napthol in absolute ethanol

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What is composition of KF reagent?

What is the chemical composition of kf reagent


What is chemical composition of kf reagent?

KF reagent typically refers to Karl Fischer reagent, which is used for moisture determination. It usually consists of an iodine compound, a sulfur dioxide-based titrant, a base (such as pyridine), and a solvent (often methanol or ethanol). The specific chemical composition may vary depending on the manufacturer and type of Karl Fischer reagent.


What is the composition of molisch test?

molisch reagent is prepared by dissolving 5g of alpha napthol in 100 ml alcohol


What food type show no colour change when tested with biuret solution?

Fats and oils show no color change when tested with biuret solution. This is because biuret reagent specifically tests for proteins, and fats have a different chemical composition that does not react with the reagent to produce a color change.


If you were required whether a particular metal had reacted with a specific reagent what sensory evidence could be used to argue that a chemical transformation of the substance had occurred?

the chemical composition of the element


What is a reagent strip?

The reagent strip is a strip of paper impregnated with a specific chemical reagent for a chemical determination.


How do you prepare Dragendorff's Wagner's and mayer's reagents reagent?

(Wagner's reagent is used to test for alkaloids). To prepare Wagner's reagent; Dissolve 2g of iodine and 6g of KI in 100ml of water. -Atolani Olubunmi, Nigeria


What chemical reagent of protein?

Biuret reagent is used to test for protein in urine. It is a common test that students in biology class perform. Urine is added to a test tube, followed by approximately the same amount of Biuret reagent. If the solution turns lavender this means that there are proteins present in the urine.


What is aluminon reagent?

Aluminon is not a reagent. Aluminum is a metallic element.


What is the opposite of a limiting reagent?

The opposite of a limiting reagent is an excess reagent. While a limiting reagent is the reactant that is completely consumed first in a chemical reaction, thereby determining the maximum amount of product that can be formed, the excess reagent is present in a greater quantity than needed to fully react with the limiting reagent. As a result, some of the excess reagent remains unreacted after the reaction is complete.


Is it wfi used for inplace of lal reagent water?

The LAL reagent water can be sterile WFI or other water that show reaction with the specific LAL reagent with which it can be used, at the limit of the sensitivity of such reagent.


What exactly is a reagent in English?

A reagent is a chemical substance that reacts with some other substance. It is common to add a specific reagent to an unknown substance to determine whether or not the substance that the particular reagent reacts to is present. (For example, add a reagent for sugar to test for the presence of sugar.)