Standard No.:	HG/T 4592-2014
English Name:	Electrode active coating of dimensionally stable anode electrolyzer use membrane method
Chinese Name:	离子膜法金属阳极电解槽电极活性层
Chinese Classification:	G93    Chemical equipment
Professional Classification:	HG    Professional Standard - Chemistry
Issued on:	2014-05-06
Implemented on:	2014-10-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	6000 words
Translation Price(USD):	180.0
Delivery:	via email in 1 business day

HG/T 4592-2014 Electrode active coating of dimensionally stable anode electrolyzer using membrane method 1 Scope This standard specifies the terms and definitions, requirements, samples, test methods, inspection rules for positive/negative electrode active coating of dimensionally stable anode electrolyzer using membrane method. This standard applies to dimensionally stable anodes and active cathodes of dimensionally stable anode electrolyzer using ion selective exchange membrane method used in chlor-alkali industry. 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 6682-2008 Water for analytical laboratory use - Specification and test methods (neq ISO 3696: 1987) GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values GB/T 9723 Chemical reagent - General rule for flame atomic absorption spectrometric analysis HG/T 3679 Ruthenium trichloride for dimensionally stable anode coating in electrolyzer YS/T 595 Chloroiridic acid 3 Terms and Definitions For the purposes of this document, the following terms and definitions apply. 3.1 dimensionally stable anode anode coated with noble metal oxide on titanium substrate 3.2 ruthenium content mass per unit area of calcium in dimensionally stable anode coating 3.3 iridium content mass per unit area of iridium in dimensionally stable anode coating 3.4 homogeneous degree degree of homogeneity of coating application, expressed by the relative standard deviation of the zinc content or the corresponding magnitude measured at multiple points

Contents Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Requirements 5 Test sample 6 Test method 7 Inspection rules Annex A (Normative) Determination of electrode potential Annex B (Normative) Determination of weightlessness