GB 31628-2014
National Food Safety Standard - Food Additive - Polydimethylsiloxane and Its Emulsion
食品安全国家标准 食品添加剂 聚二甲基硅氧烷及其乳液
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 附录A 检验方法 Foreword → 1 Scope → 2 Normative References → Annex A Test Methods
Scope
This standard applies to food additive polydimethylsiloxane and its emulsion prepared by emulsification, refining and other processes using polydimethylsiloxane as raw material.
本标准适用于以聚二甲基硅氧烷为原料，经乳化、精制等工艺制得的食品添加剂聚二甲基硅氧烷及其乳液。
Normative References
Keywords
Application Summary AI generated
Food manufacturers and testing laboratories use this standard to ensure the quality and safety of polydimethylsiloxane and its emulsion as food additives. It specifies technical requirements and test methods, serving as a critical reference for food safety compliance.
食品生产企业和检测机构使用该标准来确保聚二甲基硅氧烷及其乳液作为食品添加剂的质量安全。该标准规定了产品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 technical requirements and test methods for the food additive polydimethylsiloxane and its emulsion. It applies to products made from polydimethylsiloxane through emulsification and other processes. The standard includes scope, normative references, and detailed test methods in Annex A covering determination of moisture, ash, arsenic, and lead.
本标准规定了食品添加剂聚二甲基硅氧烷及其乳液的技术要求和检验方法。适用于以聚二甲基硅氧烷为原料经乳化等工艺制得的产品。标准包括范围、规范性引用文件和附录A中的详细检验方法，涵盖水分、灰分、砷和铅等指标的测定。
Key Sentences extracted from text
本标准适用于以聚二甲基硅氧烷为原料，经乳化、精制等工艺制得的食品添加剂聚二甲基硅氧烷及其乳液。
称取1.0 g试样，置于50 mL烧杯中，加入10 mL水，搅拌，加入5 mL盐酸，混匀。
将坩埚放入高温炉中，于575 ℃±25 ℃下灼烧至恒重。
灰分含量按式（A.2）计算：w2 = (m - m1) / m × 100%
取10 g试样，精确至0.01 g，置于250 mL锥形瓶中，加入50 mL盐酸溶液（1+23）。
This standard applies to food additive polydimethylsiloxane and its emulsion prepared by emulsification, refining and other processes using polydimethylsiloxane as raw material.
Weigh 1.0 g of the sample, place it in a 50 mL beaker, add 10 mL of water, stir, add 5 mL of hydrochloric acid, and mix well.
Place the crucible in a muffle furnace and ignite at 575 °C ± 25 °C to constant weight.
The ash content is calculated according to formula (A.2): w2 = (m - m1) / m × 100%
Take 10 g of the sample, accurate to 0.01 g, place it in a 250 mL conical flask, and add 50 mL of hydrochloric acid solution (1+23).