Define procedure for testing the presence of urea in milk, Biology

Assignment Help:

Define Procedure for Testing the Presence of Urea in Milk?

1. To 0.5 ml of milk add 0.5 ml of  DMAB solution  (prepared by dissolving 0.4 gm of p-dimethyl amino benzaldehyde powder in 250 ml of alcohol and 23 ml of concentrated HCl).

2. Observe for the colour change.

3. Change of colour from white to yellow shows adulteration in the sample.


Related Discussions:- Define procedure for testing the presence of urea in milk

Explain submarginal curved - limited mucoperiosteal flaps, Explain Submargi...

Explain Submarginal Curved - Limited Mucoperiosteal Flaps - Also called: semilunar flap, - Curved incision in the alveolar mucosa and the attached gingival. - NO advantag

Tissue, Ask ques different tipe tissue and ideas minimum 100 words accepted...

Ask ques different tipe tissue and ideas minimum 100 words accepted#

Foods for growth in microorganisms, Q. Foods for Growth in microorganisms? ...

Q. Foods for Growth in microorganisms? Microorganisms differ in their ability to use various nitrogenous compounds as a source of nitrogen for growth. The primary nitrogen sour

Explain the function of myosin and albumin, What are respectively some rema...

What are respectively some remarkable functions of myosin, CD4, albumin, keratin, immunoglobulin, reverse transcriptase, hemoglobin and insulin? Myosin is a protein that when a

What do numeric pyramids represent?, What do numeric pyramids represent? ...

What do numeric pyramids represent? The Numeric pyramids represent the number of individuals in each trophic level of a food chain.

What is the name of the larva of corals and sea anemones, What is the name ...

What is the name of the larva of corals and sea anemones? What is the biological significance of that larval stage? Sexual reproduction in corals and sea anemones has a larval

Inhibition of microbes by weak acids, With the exception of those soft drin...

With the exception of those soft drinks that contain phosphoric acid, in most other acidic foods acidity is due to the presence of weak organic acids. These do not dissociate comp

Name of the terminal portion of the axon, Q. What is the name of the termin...

Q. What is the name of the terminal portion of the axon? The terminal portion of the axon is called as presynaptic membrane Through, this membrane neurotransmitters are release

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