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GB/T 13531.6-2018: General methods on determination of cosmetics -- Determination of particle size Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 13531.6-2018: General methods on determination of cosmetics -- Determination of particle size---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT13531.6-2018GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 71.100.70 Y 42 General Methods on Determination of Cosmetics – Determination of Particle Size Issued on: FEBRUARY 06, 2018 Implemented on: SEPTEMBER 01, 2018 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of PRC. Table of ContentsForeword ... 3 1 Scope ... 4 2 Normative References ... 4 3 Terms and Definitions ... 4 4 Apparatus ... 4 5 Test Environment Conditions ... 5 6 Test Process ... 5 7 Result Expression ... 5 8 Precision ... 6ForewordGB/T 13531 General Methods on Determination of Cosmetics can be divided into the following parts. --- GB/T 13531.1 General Methods on Determination of Cosmetics – Part 1. Determination of pH; --- GB/T 13531.3 General Methods on Determination of Cosmetics – Part 3. Determination of Cloudiness; --- GB/T 13531.4 General Methods on Determination of Cosmetics – Part 4. Determination of Relative Density; --- GB/T 13531.6 General Methods on Determination of Cosmetics – Part 6. Determination of Particle Size; --- GB/T 13531.7 General Methods on Determination of Cosmetics – Part 7. Determination of Refractive Index. This Part belongs to Part 6 of GB/T 13531. This Part was drafted as per the rules specified in GB/T 1.1-2009. This Part was proposed by China Light Industry Council. This Part shall be under the jurisdiction of National Standardization Technical Committee on Flavor Fragrance & Cosmetics (SAC/TC 257). Drafting organizations of this Part. Shanghai Research Institute of Daily Chemical Industry, Infinitus (China) Co., Ltd., Proya Cosmetics Co., Ltd., Osmun Biological Co., Ltd., Guangdong Bawei Bio-Technology Co., Ltd., and Suzhou Shipu Testing Technology Co., Ltd. Chief drafting staffs of this Part. Wang Shu, Wang Tao, Sun Shurong, Wang Jing, Leng Qunying, Liu Ruixue, and Che Wenjun. General Methods on Determination of Cosmetics – Determination of Particle Size1 ScopeThis Part of GB/T 13531 specifies the determination of particle size for cosmetics. This Part is applicable to the determination of particle size for the powdery and granular cosmetics.2 Normative ReferencesThe following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this document. GB/T 6003.1 Test Sieves - Technical Requirements and Testing - Part 1. Test Sieves of Metal Wire Cloth3 Terms and DefinitionsThe following terms and definitions are applicable to this document. 3.1 Particle size Use the standard sieve with prescribed pore size to screen the granular or powdery sample; the percentage of the mass of sample passing through the standard sieve accounting for the sample mass.4 Apparatus4.1 Standard sieve. it shall meet the requirements of GB/T 6003.1; the round sieve with diameter of 60mm; select the pore size according to the requirements of product standard. 4.2 Soft brush. the brush length is 50mm; while the brush width is 40mm. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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