GB/T 43305-2023Practices for compatibility tests of waste chemicals (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

1 Scope

This document specifies the general provisions, test contents, traceability methods and risk descriptions for waste chemical compatibility testing.

This document applies to compatibility testing and evaluation of waste chemicals during collection, storage, transportation, treatment and disposal.

2 Normative reference documents

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

GB/T 6682-2008 Specifications and test methods for water used in analytical laboratories

GB/T 29329 Terminology for waste chemicals

GB/T 33057 Sampling and Preparation Methods for Waste Chemicals

HG/T 3696.3 Preparation of standard solutions, preparations and products for chemical analysis of inorganic chemical products Part 3: Preparations and products Preparation

3 Terms and definitions

The terms and definitions defined in GB/T 29329 and the following apply to this document.

4 General provisions

4.1 Personnel responsible for compatibility testing of waste chemicals should have basic knowledge of chemistry and safe operations, and be familiar with safe operations. relevant requirements. Protective equipment that meets the requirements should be worn during operation, and all tests should be performed in a fume hood.

4.2 The sources, main components, and quantities of waste chemicals that require compatibility testing should be clearly identified. When it is determined that its ingredients are relatively single, refer to Determine compatibility according to the chemical compatibility table (see Appendix A) and predict the hazards caused by incompatible chemicals.

4.3 Waste chemical samples should be sampled and prepared in accordance with the requirements of GB/T 33057. Protective equipment should be worn when sampling to avoid inhalation and Skin and eye contact. Mixed sampling of waste chemical samples in multiple packaging containers from the same batch with basically the same source and ingredients When mixing, it should be reported whether there is heat, gas generation, precipitation, gelation, etc. during the mixing process. If a reaction is observed, the sample should be removed from each Take samples from individual packages for testing.

4.4 The test should be carried out as soon as possible after the sample is brought to room temperature.