GB 1903.9-2015
National Food Safety Standard - Food Nutritional Fortifier - Sodium Selenite
食品安全国家标准 食品营养强化剂 亚硒酸钠
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 技术要求 → 附录A Foreword → 1 Scope → 2 Normative References → 3 Technical Requirements → Annex A
Scope
This standard applies to sodium selenite as a food nutritional fortifier.
本标准适用于食品营养强化剂亚硒酸钠。
Normative References
Keywords
Application Summary AI generated
Food manufacturers and nutritional fortifier producers use this standard to ensure the quality and safety of sodium selenite products. It establishes technical requirements, test methods, and inspection rules, serving as a critical reference for the compliant use of this food additive.
食品生产企业和营养强化剂制造商使用本标准来确保亚硒酸钠产品的质量和安全性。该标准规定了亚硒酸钠的技术要求、检测方法和检验规则，是保障食品营养强化剂合规使用的重要依据。
AI Summary AI generated
This standard specifies the technical requirements, test methods, and inspection rules for sodium selenite as a food nutritional fortifier. Sodium selenite has the molecular formula Na2SeO3 and a relative molecular mass of 172.94. The standard requires a sodium selenite content of 96.4% to 100.8%, selenium content of 44.0% to 46.0%, and sets limits for impurities such as loss on drying, chlorides, sulfates, lead, and arsenic. Annex A provides detailed test methods including titration and colorimetry.
本标准规定了食品营养强化剂亚硒酸钠的技术要求、试验方法、检验规则等。亚硒酸钠的分子式为Na2SeO3，相对分子质量172.94。标准要求亚硒酸钠含量为96.4%～100.8%，硒含量44.0%～46.0%，并规定了干燥减量、氯化物、硫酸盐、铅、砷等杂质的限量。附录A详细列出了各项指标的检测方法，包括滴定法、比色法等。
Key Sentences extracted from text
本标准适用于食品营养强化剂亚硒酸钠。
亚硒酸钠的分子式为Na2SeO3。
亚硒酸钠的相对分子质量为172.94（按2011年国际相对原子质量）。
亚硒酸钠的硒含量（以Se计）为44.0%～46.0%。
亚硒酸钠的干燥减量应不大于1.0%。
This standard applies to sodium selenite as a food nutritional fortifier.
The molecular formula of sodium selenite is Na2SeO3.
The relative molecular mass of sodium selenite is 172.94 (according to 2011 international relative atomic masses).
The selenium content (as Se) of sodium selenite is 44.0% to 46.0%.
The loss on drying of sodium selenite shall not exceed 1.0%.