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GB/T 13531.6-2018

Chinese Standard: 'GB/T 13531.6-2018'
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Detail Information of GB/T 13531.6-2018; GB/T13531.6-2018
Description (Translated English): General methods on determination of cosmetics--Determination of partical size
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y42
Classification of International Standard: 71.100.70
Word Count Estimation: 6,693
Date of Issue: 2018-02-06
Date of Implementation: 2018-09-01
Drafting Organization: Shanghai Daily Chemical Industry Research Institute, Infinitus (China) Co., Ltd., Po Lai Cosmetics Co., Ltd., Ou Shi Man Bio Co., Ltd., Guangdong Ba Wei Bio-Tech Co., Ltd., Suzhou Shi Spectrum Detection Technology Co., Ltd.
Administrative Organization: National Spice Fragrance Cosmetics Standardization Technical Committee (SAC/TC 257)
Proposing organization: China Light Industry Federation
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, China National Standardization Administration

GB/T 13531.6-2018
GB
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
化妆品通用检验方法 颗粒度(细度)的测定
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 Contents
Foreword ... 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 ... 6
Foreword
GB/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 Size
1 Scope
This 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 References
The 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 Cloth
3 Terms and Definitions
The 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 Apparatus
4.1 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.

GB/T 13531.6-2018
General methods on determination of cosmetics-Determination of partical size
ICS 71.100.70
Y42
National Standards of People's Republic of China
General inspection method for cosmetics
Determination of particle size (fineness)
Generalmethodsondeterminationofcosmetics-
Determinationofparticalsize
Published on.2018-02-06
2018-09-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Administration issued
Foreword
GB/T 13531 "General Methods for Testing Cosmetics" is divided into the following sections.
---GB/T 13531.1 "Measurement of pH value of general inspection methods for cosmetics";
---GB/T 13531.3 "Determination of turbidity of general inspection methods for cosmetics";
---GB/T 13531.4 "Determination of the relative density of general inspection methods for cosmetics";
---GB/T 13531.6 "General determination of the method of determination of granularity (fineness) of cosmetics";
---GB/T 13531.7 "Determination of refractive index of general inspection methods for cosmetics".
This part is the sixth part of GB/T 13531.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part was proposed by the China National Light Industry Council.
This part is under the jurisdiction of the National Spice and Fragrance Cosmetics Standardization Technical Committee (SAC/TC257).
This section drafted by. Shanghai Daily Chemical Industry Research Institute, Infinitus (China) Co., Ltd., Polaiya Cosmetics Co., Ltd.
Division, Oushi Man Bio Co., Ltd., Guangdong Bawei Biotechnology Co., Ltd., Suzhou World Spectrum Detection Technology Co., Ltd.
The main drafters of this section. Wang Wei, Wang Tao, Sun Shurong, Wang Jing, Leng Qunying, Liu Ruixue, Che Wenjun.
General inspection method for cosmetics
Determination of particle size (fineness)
1 Scope
This part of GB/T 13531 specifies the method for determining the granularity (fineness) of cosmetics.
This section applies to the determination of the granularity (fineness) of powdered and granular cosmetics.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 6003.1 Test sieves - Technical requirements and testing - Part 1
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Particle size (fineness) particalsize
The granular or powdery sample is sieved with a standard sieve of a prescribed pore size, and the mass of the sample passing through the standard sieve is a percentage of the mass of the sample.
4 Instruments and equipment
4.1 Standard sieve. It should meet the requirements of GB/T 6003.1, about a circular sieve with a diameter of 60mm, according to the requirements of the product standard.
Aperture.
4.2 Soft brush. The brush length is 50mm and the brush width is 40mm.
4.3 Electronic balance. accuracy 0.01g.
5 Test environmental conditions
Room temperature 20 ° C ~ 27 ° C, relative humidity 40% ~ 70%.
6 test process
6.1 Test procedure
Weigh the total mass m0 of the standard sieve and the soft brush (accurate to 0.01g), mix the sample thoroughly, and take 5g of the sample into the standard sieve.
Weigh the sample, standard sieve and soft brush to the total mass m1 (accurate to 0.01g), shake the hand-held standard sieve, and gently stick it with a soft brush.
The particles and powder attached to the standard sieve are brushed and shaken back and forth for at least 3 minutes until the sieve is completely separated, and the uns......
Related standard:   GB/T 13531.7-2018  GB/T 13531.4-2013
   
 
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