Standard No.:	GB/T 21704-2008
English Name:	Determination of non-protein-nitrogen content in milk and dairy products
Chinese Name:	乳与乳制品中非蛋白氮含量的测定
Chinese Classification:	C53    Food sanitation
Professional Classification:	GB    National Standard
ICS Classification:	67.100.01 67.100.01    Milk and milk products in general 67.100.01
Issued by:	AQSIQ; SAC
Issued on:	2008-04-09
Implemented on:	2008-7-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	1500 words
Price(USD):	70.00
Delivery:	via email in 1 business day

1 Scope



This standard specifies the method for determination of non-protein-nitrogen content in milk and dairy products.

This standard is applicable to the determination method of non-protein-nitrogen content in milk and dairy products.

Detection method of this method is 3.5×10-4 g/100g.

Contents
Foreword I
1 Scope
2 Normative References
3 Term and Definition
4 Principle
5 Reagents and Materials
6 Apparatus
7 Analytical Procedures
8 Result Calculation
9 Precision