Standard No.:	GB 25576-2010
English Name:	Food Additives - Silicon dioxide
Chinese Name:	食品添加剂 二氧化硅
Chinese Classification:	X09    Hygiene, safety and labor protection
Professional Classification:	GB    National Standard
Source Content Issued by:	Ministry of Health
Issued on:	2010-12-21
Implemented on:	2011-2-21
Status:	superseded
Superseded by:	GB 25576-2020 National food safety standard - Food additive - Silicon dioxide
Superseded on:	2021-3-11
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	80.0
Delivery:	via email in 1 business day

1 Scope This standard is applicable to the food additive, silica made by means of vapor phase method (the chlorosilane hydrolyzes in the oxyhydrogen flame) and precipitation method (including the gel method and it is generated by the reaction between sodium silicate solution and acid). 2 Normative References The documents contain provisions which, through reference in this standard, constitute essential provisions of this standard. For dated references, only the dated edition of the normative document referred to applies. For undated documents, the latest edition of the normative document (including all the amendments) referred to applies.

1 Scope 2 Normative References 3 Molecular Formula and Relative Molecular Mass 4 Classification 5 Technical Requirements Appendix A (Normative) Inspection Method A.1 Warning A.2 General Requirements A.3 Identification Test A.4 Determination of Silica A.5 Determination of Loss on Drying A.6 Determination of Loss on Ignition A.7 Determination of Lead A.8 Determination of Heavy Metals A.9 Determination of Arsenic A.10 Determination of the Soluble Dissociated Salt