1 Scope
This standard specifies the requirements, test methods, inspection rules, marking, labeling, packing, transportation and storage of barium sulphate precipitated for industrial use.
This standard is applicable to barium sulphate precipitated for industrial use. This product is mainly used in coating, printing ink, pigment, rubber, battery, plastic, coated paper and other industries.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies
GB/T 191-2000 Packaging-Pictorial Marking for Handling of Goods (eqv ISO 780: 1997)
GB/T 1250 Rules for Expression and Judgment of Limiting Values
GB/T 1717-1986 Determination of pH Value of An Aqueous Suspension of Pigments (eqv ISO 787-9: 1981)
GB/T 3049-2006 Chemical Products for Industrial Use - General Method for Determination of Iron Content - 1 10-Phenanthroline Spectrophotometric Method (ISO 6685: 1982, IDT)
GB/T 5211.2-2003 Determination of Matter Soluble in Water of Pigments Hot Extraction Method (ISO 787-3: 2000, IDT)
GB/T 5211.3-1985 Determination of Matter Volatile of Pigments at 105 Centigrade (eqv ISO 787-2: 1981)
GB/T 5211.15-1988 Determination of Oil Absorption Value of Pigments (eqv ISO 787-5: 1980)
GB/T 5950-1996 Method for Measurement of Whiteness of Building Materials and Non-Metal Mineral Products
GB/T 6003.1-1997 Test Sieves of Metal Wire Cloth (eqv ISO 3310-1: 1990)
GB/T 6678 General Principles for Sampling Chemical Products
GB/T 6679 General Rules for Sampling of Solid Chemical Products
GB/T 6682-1992 Water for Analytical Laboratory Use-Specification and Test Methods (neq ISO 3696: 1987)
GB/T 8946-1998 Plastic Woven Sack
GB/T 19077.1-2003 Particle Size Analysis-Laser Diffraction Method
HG/T 3696.2 Inorganic Chemical Products Preparations of Standard Solutions for Chemical Analysis
HG/T 3696.3 Inorganic Chemical Products Preparations of Reagent Solutions for Chemical Analysis
Foreword I
1 Scope
2 Normative References
3 Molecular Formula and Molecular Mass
4 Requirements
5 Test Methods
6 Inspection Rules
8 Packing, Transportation and Storage
Appendix A (Informative) Summary List of Technical Differences between this Standard and the International Standard and the Reasons
Appendix B (Informative) Structural Differences between this Standard and the International Standard
