GB 31604.32-2016 Translated English of Chinese Standard. GB31604.32-2016: National Food Safety Standard - Food contact materials and products - Determination of heavy metals in food simulants

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https://www.chinesestandard.net, 5 mei 2018 - 12 pagina's
This standard specifies the determination methods for titration and colorimetry of sulfur dioxide in food contact wood (bamboo) materials. This standard applies to the determination of sulfur dioxide in wood (bamboo) chopsticks, wood (bamboo) bowls, wood (bamboo) spoons and wood (bamboo) shovels.
 

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Foreword
3
Scope
4
Instrument and equipment
5
Analysis results expression
6
Precision
7
Instrument and equipment
9
Analysis results expression
10
Precision
11
Appendix A Preparation of sulfur dioxide standard solution
12

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