GB/T 3637-2021Liquid sulphur dioxide (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 of Standardization Documents" drafted.

This document replaces GB/T 3637-2011 "Liquid Sulphur Dioxide". Compared with GB/T 3637-2011, except for editorial changes, the main The technical changes are as follows:

--- Changed part of the normative references (see Chapter 2, Chapter 2 of the:2011 edition);

--- Added terms and definitions (see Chapter 3);

--- Changed the content of the technical requirements (see Chapter 4, Chapter 3 of the:2011 edition);

--- Changed part of the test method (see Chapter 6, Chapter 5 of the:2011 edition);

--- Changed part of the "Inspection Rules" (see Chapter 7, Chapter 6 of the:2011 edition);

--- Changed some of the contents of marking, packaging, transportation and storage (see Chapter 8, Chapter 7 of the:2011 edition);

--- Changed some of the contents of security (see Chapter 9, Chapter 8 of the:2011 edition).

1 Scope

This document specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation, storage and health and Safety.

This document applies to liquid sulfur dioxide for industrial use.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 150.1 Pressure Vessels Part 1. General Requirements

GB 190 Dangerous Goods Packaging Marks

GB/T 191 Graphical signs of packaging, storage and transportation

GB/T 6283-2008 Determination of moisture content in chemical products Karl Fischer method (general method)

GB/T 6682 Analysis Laboratory Water Specifications and Test Methods

GB/T 7144 Color Marking of Gas Cylinders

GB/T 8170 Numerical Rounding Rules and Representation and Judgment of Limit Values

GB/T 10478 Liquefied Gas Railway Tank Car

GB 12268 Dangerous Goods List

GB/T 14193 Liquefied Gas Cylinder Filling Regulations

GB/T 16163 Bottled Gas Classification

GB/T 16483 Chemical Safety Data Sheet Content and Item Sequence

GB/T 19905 Liquefied gas trucks

GBZ 2.1 Occupational Exposure Limits for Hazardous Agents in the Workplace Part 1. Chemical Hazardous Agents

3 Terms and Definitions

There are no terms and definitions that need to be defined in this document.

4 Technical requirements

Liquid sulfur dioxide is divided into A, B and C grades according to the product quality grade, and its technical indicators should meet the requirements of Table 1. END. Draft Version (GB/T 3637-2021)