Explain procedure for detection of metanil yellow, Biology

Assignment Help:

Explain Procedure for Detection of Metanil Yellow?

Carry out the exercise following the steps enumerated herewith.

1. Suspend the food sample in water and shake vigorously.

2. Filter the sample and dilute it till it is almost colourless.

3. Add few drops of concentrated HCl to a small portion of diluted sample and observe for a colour change.

4. Magenta red colour is a positive test i.e. metanil yellow is present.


Related Discussions:- Explain procedure for detection of metanil yellow

Explain acid butt - carbohydrate utilization pattern test, Acid butt - carb...

Acid butt - carbohydrate utilization pattern test ? Acid butt (yellow) and acid slant (yellow) with or without gas production – Glucose along with lactose and/or sucrose, is deg

Response to flooding, Response to Flooding Prolonged flooding or water...

Response to Flooding Prolonged flooding or water-logging creates anaerobic conditions for the sub-surface parts of the plant and synthesis of alcohol dehydrogenase (ADH) helps

Population, Population was defined by Clarke in 1954. The term populat...

Population was defined by Clarke in 1954. The term population refers to the total number of individuals of a sp. occupying a particular geographic aera at a given time. A s

Locomotion in leech, LOCOMOTION IN LEECH - Leech moves by looping actio...

LOCOMOTION IN LEECH - Leech moves by looping action of its body on substratum. Posterior sucker is attached to base, body elongates, then anterior sucker is attached. Now po

Describe two differences among green algae and red algae, Some biologists p...

Some biologists prefer to categorize brown, red, and some green algae as plants rather than protists. What characteristics of these algae support like classification? Brown and

Explain about cold preservation - methods of food processing, Explain about...

Explain about Cold Preservation - methods of food processing? The metabolism of a living tissue is a function of the temperature of the environment. Low temperatures are used t

Define fat needs in nutrient requirement, Define Fat needs in Nutrient Requ...

Define Fat needs in Nutrient Requirement and Dietary Management? As we have learnt earlier on enteral and parenteral feedings; administration of lipids should be carried out ca

Is a gene the same as a dna molecule, Q. Is a gene the same as a DNA molecu...

Q. Is a gene the same as a DNA molecule? Genes are units of heredity. A gene is a section or segment of a DNA molecule. This section of DNA provides a genetic code for synthesi

Composition of blood, Composition of blood: Take few ml. of fresh bl...

Composition of blood: Take few ml. of fresh blood in a test tube and before collecting the blood add a few drops of sodium oxalate or sodium citrate solution to prevent clot

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd