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GB 5009.34-2022 English PDF (GB5009.34-2022)

GB 5009.34-2022 English PDF (GB5009.34-2022)

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GB 5009.34-2022: National food safety standard - Determination of sulfur dioxide in foods
This document specifies the determination method of sulfur dioxide in foods. Method One: Acid-base titration method is applicable to the determination of sulfur dioxide in foods. Method Two is Spectrophotometry.

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