1 Scope
This standard specifies the technical requirements, test methods, inspection rules as well as packing and marking of chemical reagent - phosphoric acid.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. At time of publication, the editions indicated are valid. All standards are subject to revision, and all parties coming to agreement according to this standard are encouraged to investigate the possibility of applying the latest edition of the following standards.
GB/T 601-88 Chemical Reagent - Preparations of Standard Volumetric Solutions
GB/T 602-88 Chemical Reagent - Preparations of Stock Standard Solutions
GB/T 603-88 Chemical Reagent - Preparations of Reagent Solutions for Use in Test Method
GB/T 605-88 Chemical Reagent - General Method for the Measurement of Color (in Hazen units) (eqv ISO 6353-1: 1982)
GB/T 610.2-88 Chemical Reagent - General Method for the Determination of Arsenic (AgDDTC) (the silver diethyl dithiocarbamate method) (eqv ISO 6353-1: 1982)
GB/T 619-88 Chemical Reagent - Regulations for Sampling and Acceptance
GB 6682-92 Water for Analytical Laboratory Use-Specification and Test Methods (eqv ISO 3696: 1987)
GB/T 9723-88 Chemical Reagent - General Rules for Flame Atomic Absorption Spectrometric
GB/T 9728-88 Chemical Reagent - General Method for the Determination of Sulfate (eqv ISO 6353-1: 1982)
GB/T 9729-88 Chemical Reagent - General Method for the Determination of Chloride (eqv ISO 6353-1: 1982)
GB/T 9735-88 Chemical Reagent - General Method for the Determination of Heavy Metals (eqv ISO 6353-1: 1982)
GB/T 9739-88 Chemical Reagent - General Method for the Determination of Iron (eqv ISO 6353-1: 1982)
GB/T 9741-88 Chemical Reagent - General Method for the Determination of Residue after Ignition (eqv ISO 6353-1: 1982)
GB 15346-94 Chemical Reagent - Packaging and Marking
Contents
1 Scope
2 Normative References
3 Properties
4 Specification
5 Test
6 Inspection rules
7 Packaging and marking
Appendix A (Normative) Pressurized Ion Exchange Apparatus
