GB 1903.58-2022 Translated English of Chinese Standard (GB 1903.58-2022, GB1903.58-2022): National food safety standard - Food nutritional fortification substance - Manganouscarbonate

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https://www.chinesestandard.net, 2023 M01 31 - 12 pages
This standard applies to the food nutrition enhancer manganese carbonate prepared by chemical synthesis and with manganese sulfate and ammonium bicarbonate as raw materials. 2 Molecular formula and relative molecular mass 2.1 Molecular formula MnCO3 2.2 Relative molecular mass 114.95 (according to 2018 International Relative Atomic Mass) 3 Technical requirements 3.1 Sensory requirements Sensory requirements shall meet the requirements in Table 1. Table 1 -- Sensory requirements Item Requirements Testing method Color Light red to light brown Take an appropriate amount of sample and place it in a clean and dry white porcelain dish, observe its color and state under natural light State Powder 3.2 Physicochemical indexes The physicochemical indexes shall meet the requirements in Table 2. GB 1903.58-2022 www.ChineseStandard.net ? Buy True-PDF ? Auto-delivery Page 4 of 12 Table 2 -- Physicochemical indexes Item Index Testing method Manganese carbonate content (by MnCO3), w/% ¡Ý 90.0 A.4 in Appendix A Chloride (by Cl), w/% ¡Ü 0.01 A.5 in Appendix A Sulfate (by SO4), w/% ¡Ü 0.5 A.6 in Appendix A Total arsenic (by As)/(mg/kg) ¡Ü 3.0 GB 5009.11 or GB 5009.76 Lead (Pb)/(mg/kg) ¡Ü 2.0 GB 5009.12 or GB 5009.75 GB 1903.58-2022 www.ChineseStandard.net ? Buy True-PDF ? Auto-delivery Page 5 of 12 Appendix A Testing method A.1 Warning Some of the reagents used in this standard test method are toxic or corrosive, and shall be used with caution and in accordance with relevant regulations. If a toxic or corrosive reagent splashes on the skin, it shall be washed with water immediately; if the hurt is serious, it shall be treated immediately. When volatile acids are used, the operation shall be done in a fume hood. A.2 General provision Unless otherwise specified in this standard, the purity of the r
 

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