GB 1610-2009Chromium trioxide for industrial use (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting is required.

This document replaces GB/T 1610-2009 "Industrial Chromic Anhydride". Compared with GB/T 1610-2009, except for structural adjustments and editorial changes, in addition to the modifications, the main technical changes are as follows.

The requirements for sulfate content, water-insoluble matter and turbidity have been changed (see 5.2, 4.2 of the 2009 edition); a) the test method for determination of water-insoluble matter content has been changed (see 6.4, 5.6 of the 2009 edition); b) Added the test method for determining sulfate content by infrared absorption method (see 6.5.4); c) Added the test method for determining sulfate content by inductively coupled plasma emission spectrometry (see 6.5.5); d) the test method for determination of sodium content has been changed (see 6.6, 5.7 of the 2009 edition). e)

1 Scope

This document specifies the requirements, test methods, inspection rules, marking, labeling and accompanying documents, packaging, transportation and Storage.

This document applies to industrial chromic anhydride.

Note. This product is mainly used in the electroplating industry, and is also used as an oxidant, catalyst, wood preservative, and for the preparation of chromium trioxide, chromium chloride and other chromium salt products and reagents Raw materials.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies.

in this document.

GB 190 Dangerous Goods Packaging Marking GB/T 191-2008 Pictorial markings for packaging, storage and transportation GB/T 325.4 Packaging containers steel drums Part 4..200L and below fully open steel drums GB/T 6678 General Principles for Sampling of Chemical Products GB/T 6682-2008 Specifications and test methods for water used in analytical laboratories GB/T 8170 Rules for rounding off values and expression and determination of limit values GB 12268-2012 List of Dangerous Goods GB 12463-2009 General technical requirements for dangerous goods transport packaging GB 15603 General Rules for Storage of Hazardous Chemicals in Warehouses HG/T 3696.2 Preparation of standard solutions, preparations and products for chemical analysis of inorganic chemical products Part 2: Standard solutions for impurities Preparation of liquid HG/T 3696.3 Preparation of standard solutions, preparations and products for chemical analysis of inorganic chemical products Part 3: Preparations and products Preparation JT/T 617 (all parts) Rules for the road transport of dangerous goods

3 Terms and definitions

There are no terms or definitions that require definition in this document.