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

What are the difference between plasma membrane, Q. What are the difference...

Q. What are the difference between plasma membrane and cell wall? Plasma membrane and cell wall is not the same thing. Plasma membrane, also known as cell membrane, is the exte

Define maternal nutrition and foetal outcome, Define Maternal Nutrition and...

Define Maternal Nutrition and Foetal Outcome? Maternal malnutrition has deleterious effects on both the mother and the offspring.  Inadequate energy intakes, iron deficiency an

Explain the process of metastasis, Explain the process of metastasis. Defin...

Explain the process of metastasis. Define anti-angiogenic drugs and relate the role of medical imaging, if any, in anti-angiogenic drug therapy. State how you envision your particu

Anatomy of the brain, In order to be able to study the neural basis of perc...

In order to be able to study the neural basis of perceptual and cognitive functions, it is necessary to have some knowledge of brain anatomy (i.e., what the names of different brai

Maedi/visna, Maedi/visna Maedi, a progressive pneumonia, and visna, a n...

Maedi/visna Maedi, a progressive pneumonia, and visna, a neurotropic disease, found in sheep and goats are caused by the Maedi/visna virus, belonging to the family Retroviridae

Explain solid salt and saturated aqueous solution, Explain solid salt and s...

Explain solid salt and saturated aqueous solution? In this example, the equilibrium system consists of crystalline PbCl 2 and an aqueous phase containing the species H 2 O, P

What is the objectives of neuropsychological assessment, What is the Object...

What is the Objectives of Neuropsychological assessment?   Define and describe neuropsychological assessment; Elucidate the neuropsychological methodology for assessing i

Physical examination of a child, PHYSICAL EXAMINATION OF A CHILD This ...

PHYSICAL EXAMINATION OF A CHILD This practical as you have seen above deals with assisting in various diagnostic procedures of a child. The first responsibility of you as a

Storage excretion, Storage Excretion Many insects exhibit a phenomenon...

Storage Excretion Many insects exhibit a phenomenon known as storage excretion. If excretory products are stored in the body instead of being eliminated, no water is expended

What is manifest squint, What is Manifest Squint (Heterotropia) Manifes...

What is Manifest Squint (Heterotropia) Manifest squint is a deviation of one eye from the normal position when the fusion reflex is present. The subcategories of manifest squin

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