Standard No.:	GB 5009.123-2014
English Name:	National Food Safety Standard- Determination of chromium in foods
Chinese Name:	食品安全国家标准 食品中铬的测定
Professional Classification:	GB    National Standard
Issued by:	National Health and Family Planning Commission
Issued on:	2015-01-28
Implemented on:	2015-7-28
Status:	superseded
Superseded by:	GB 5009.123-2023 National food safety standard - Determination of chromium in foods
Superseded on:	2024-9-6
Superseding:	GB/T 5009.123-2003 Determination of chromium in foods
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	110.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the graphite furnace atomic absorption spectrum determination method for chromium in foods. This standard is applicable to the content determination of chromium in various foods. 2 Principle After the specimen is subjected to digestion treatment, graphite furnace atomic absorption spectrometry shall be adopted to determine the absorption value at 357.9 nm; within the range of certain concentration, the absorption value shall be quantified by comparing with standard series solution. 3 Reagents and Materials

Foreword i 1 Scope 2 Principle 3 Reagents and Materials 4 Instrument and Equipment 5 Analysis Procedure 6 Expression of Analysis Result 7 Accuracy 8 Others Appendix A Reference Conditions for Sample Determination