GB 31635-2014
National Food Safety Standard - Food Additive - Zinc Sulfate
食品安全国家标准 食品添加剂 硫酸锌
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 技术要求 → 附录A 检验方法 Foreword → 1 Scope → 2 Normative References → 3 Technical Requirements → Annex A Test Methods
Scope
This standard applies to food additive zinc sulfate.
本标准适用于食品添加剂硫酸锌。
Normative References
Keywords
Application Summary AI generated
Food manufacturers and regulatory authorities use this standard to ensure the quality and safety of zinc sulfate as a food additive. It specifies technical requirements and test methods, serving as a critical reference for food safety assurance.
食品生产企业和监管部门使用这个标准来确保硫酸锌作为食品添加剂的质量和安全。它规定了硫酸锌的技术要求和检验方法，是保障食品安全的重要依据。
AI Summary AI generated
This standard specifies the technical requirements, test methods, and inspection rules for zinc sulfate as a food additive. It sets clear limits for content and heavy metals such as lead and arsenic. The standard is essential for the production and testing of zinc sulfate to ensure its safe use in food.
本标准规定了食品添加剂硫酸锌的技术要求、试验方法、检验规则等内容。硫酸锌作为食品添加剂，其含量、重金属限量等指标有明确要求。标准适用于硫酸锌的生产和检验，确保其在食品中的安全使用。
Key Sentences extracted from text
本标准适用于食品添加剂硫酸锌。
硫酸锌（ZnSO4·7H2O）含量（以Zn计）应符合表1的规定。
铅（Pb）的限量应不大于2.0 mg/kg。
砷（As）的限量应不大于2.0 mg/kg。
干燥减量的测定：称取约10 g试样，置于已在105℃±2℃干燥至恒重的称量瓶中，于105℃±2℃干燥4 h，取出，置于干燥器中冷却至室温，称量。
This standard applies to food additive zinc sulfate.
The content of zinc sulfate (ZnSO4·7H2O) (calculated as Zn) shall comply with the provisions of Table 1.
The limit of lead (Pb) shall not exceed 2.0 mg/kg.
The limit of arsenic (As) shall not exceed 2.0 mg/kg.
Determination of loss on drying: Weigh about 10 g of the sample, place it in a weighing bottle that has been dried to constant weight at 105°C ± 2°C, dry at 105°C ± 2°C for 4 h, remove, cool in a desiccator to room temperature, and weigh.