Warning: If proper preventive measures are not taken, the products covered by this document may be in danger during production, transportation, handling, storage and use. This document is not intended to suggest all safety issues related to this product. It is the responsibility of the users of this document to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Some reagents used in this document are toxic or corrosive, and some operations are dangerous. This document does not reveal all possible safety problems. Users shall use it correctly in strict accordance with relevant requirements, and be responsible for taking appropriate safety and health measures.
1 Scope
This document specifies the product classification, requirements, test methods, inspection rules, marking, labeling and accompanying documents, packaging, transportation and storage of sulphuric acid for industrial use.
This document is applicable to sulphuric acid for industrial use prepared from pyrite, sulfur, smelting flue gas and other sulfur-containing materials.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions 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 190 Packing symbol of dangerous goods
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 610 Chemical reagent - General method for the determination of arsenic
GB/T 6680 General rules for sampling liquid chemical products
GB/T 6682 Water for analytical laboratory use - Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB 15258 General rules for preparation of precautionary label for industrial chemicals
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
other sulfur-containing materials
ferrous sulfate, magnesium sulfate, magnesium sulfite, calcium sulfite, hydrogen sulfide, sulfur-containing waste liquid, sulfur-containing gypsum and alkylation waste acid, etc.
4 Product classification
Sulphuric acid for industrial use is classified into concentrated sulphuric acid and fuming sulphuric acid.
Contents Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Product classification 5 Requirements 6 Test methods 7 Inspection rules 8 Marking, labeling and accompanying documents 9 Packaging, transportation and storage Annex A (Informative) Purification of dithizone reagent
