Standard No.:	GB/T 3185-2016
English Name:	Zinc oxide ( Indirect method)
Chinese Name:	氧化锌（间接法）
Chinese Classification:	G54    Pigment
Professional Classification:	GB    National Standard
ICS Classification:	87.060.10 87.060.10    Pigments and extenders 87.060.10
Issued by:	AQSIQ,SAC
Issued on:	2016-12-30
Implemented on:	2017-7-1
Status:	valid
Superseding:	GB/T 3185-1992 Zinc oxide (Indirect method)
Language:	English
File Format:	PDF
Word Count:	7500 words
Price(USD):	180.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the requirements, sampling, test methods, inspection rules, marking, packaging, transportation and storage of zinc oxide (indirect method). This standard is applicable to zinc oxide prepared by indirect method. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 601 Chemical Reagent — Preparations of Reference Titration Solutions GB/T 602 Chemical Reagent — Preparations of Standard Solutions for Impurity GB/T 603 Chemical Reagent — Preparations of Reagent Solutions for Use in Test Methods GB/T 1864-2012 General Methods of Test for Pigments and Extenders — Comparison of Colour of Pigments GB/T 3186 Paints, Varnishes and Raw Materials for Paints and Varnishes — Sampling GB/T 5211.2-2003 Determination of Water-soluble Matter of Pigments — Hot Extraction Method GB/T 5211.3-1985 Determination of Matter Volatile of Pigments at 105 Centigrade GB/T 5211.15-2014 General Methods of Test for Pigments and Extenders ― Part 15: Determination of Oil Absorption Value GB/T 5211.16-2007 Comparison of Lightening Power of White Pigments GB/T 5211.18-2015 General Methods of Test for Pigments and Extenders ― Part 18: Determination of Residue on Sieve — Water Method (Manual Procedure) GB/T 6682 Water for Analytical Laboratory Use — Specification and Test Methods GB/T 8170-2008 Rules of Rounding off for Numerical Values & Expression and Judgement of Limiting Values GB/T 9723-2007 Chemical Reagent — General Rule for Flame Atomic Absorption Spectrometric Analysis GB/T 19587-2004 Determination of the Specific Surface Area of Solids by Gas Adsorption Using the BET Method 3 Molecular Formula and Relative Molecular Mass Molecular formula: ZnO Relative molecular mass: 81.38 (as per IUPAC 2010 standard atomic weights) 4 Requirements The products shall meet those specified in Table 1.

Foreword II 1 Scope 2 Normative References 3 Molecular Formula and Relative Molecular Mass 4 Requirements 5 Sampling 6 Test Methods 7 Inspection Rules 8 Marking, Packaging, Transportation and Storage