Standard No.:	GB/T 5009.92-2003
English Name:	Determination of calcium in foods
Chinese Name:	食品中钙的测定
Chinese Classification:	C53    Food sanitation
Professional Classification:	GB    National Standard
Issued by:	Ministry of Health
Issued on:	2003-08-11
Implemented on:	2004-1-1
Status:	superseded
Superseded by:	GB 5009.92-2016 National Food Safety Standard-Determination of Calcium in Foods
Superseded on:	2017-6-23
Superseding:	GB/T 12398-1990 Methods for determination of calcium in foods
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	194.00
Delivery:	via email in 1 business day

1 Scope



This standard specifies the determination methods of calcium in foods: atomic absorption spectrophotometry and titration.

This standard is applicable to the determination of calcium in various foods.

The detection limit of atomic absorption spectrophotometry in this standard is 0.1μg and the linear range is 0.5μg~2.5μg; the linear range of titration is 5μg~50μg.

Contents
1 Scope
2 Principle
3 Reagents
4 Instruments and Equipment
5 Analytical Procedures
6 Result Calculation
7 Precision
8 Principle
9 Reagent
10 Apparatus
11 Analysis Procedures
12 Result Calculation
13 Precision