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

If comparing brain of vertebrates then relative size would b, In a comparis...

In a comparison of brain found in lower classes of vertebrates to the brain in higher classes of vertebrate's area showing most increase in relative size is: a) Optic lobe b

Types oligosaccharide linkages, In glycoproteins, two main parts of oligosa...

In glycoproteins, two main parts of oligosaccharide linkages exist: a) An O-linked oligosaccharides attached to the protein by O-glycosidic bonds, to the OH groups of serine or

Explain concept of normal diet, Normal or General Diet This diet is pl...

Normal or General Diet This diet is planned to be  consistent with the  Recommended Dietary Allowances (RDAs) of  nutrients  and  is based  on  the food groups.  It  is  usuall

Phylum platyhelminthes, distinguishing characteristics of phylum platyhelmi...

distinguishing characteristics of phylum platyhelminthes?

Benthic zone - organisation of the marine ecosystem, Benthic Zone - Organis...

Benthic Zone - Organisation of the Marine Ecosystem The benthic zone is divisible into sub zones horizontally. These are depicted in a cross section portion of the marine habi

Philum colenterata, What are the economic importance of colenterata

What are the economic importance of colenterata

Extraembryonic membranes the same in all vertebrates, Are the extraembryoni...

Are the extraembryonic membranes the same in all vertebrates? The presence of each extraembryonic membrane varies according to the vertebrate class. In fishes and amphibians

Explain class oligochaeta - earthworms in details, Explain Class Oligochaet...

Explain Class Oligochaeta - Earthworms in details? This group of annelids includes the earthworms. Oligochaetes live in the soil or in fresh water habitats, and a few inhabit m

Chemolithoautotrophs - nutritional types of microorganisms, Explain Chemoli...

Explain Chemolithoautotrophs - Nutritional Types of Microorganisms These microorganisms use inorganic compound as source of energy and electron and CO 2 as a source of carbon.

Explain the effect of non nutritional factors pregnancy, Explain the effect...

Explain the effect of Non Nutritional Factors pregnancy? The incidence of LBW is lowest and mean birth weight is highest in the state of Kerala, which is attributed to better

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