Standard No.:	GB 5009.123-2014
Chinese Name:	食品安全国家标准 食品中铬的测定
English Name:
Professional Classification:	GB National Standard
Issued by:
Issued on:	2015-01-28
Implemented on:	2015-07-28
Status:	VALID
Replace:	GB/T5009.123-2003 Determination of chromium in foods
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120 (USD)
Delivery:	via email in 1-3 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

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