GB/T 12684-2006 (English Version) PDF

Standard No.: GB/T 12684-2006
Language: Chinese, Available in English version
Release Date: 2006
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status: Be replaced 2019-01
Replace By: GB/T 12684-2018
Latest: GB/T 12684-2018
Replace: GB/T 12684.5-1990 GB/T 12684.4-1990 GB/T 12684.3-1990 GB/T 12684.2-1990 GB/T 12684.1-1990

Scope: This standard specifies the determination of boric acid content, water insoluble matter content, sulfate content, ammonia content and heavy metal content in industrial boric acid, the determination of chloride content in industrial boric acid, boron oxide and disodium tetraborate, industrial boric acid, boron oxide, Determination of iron content in disodium tetraborate, sodium perborate and sodium crude borate. This standard applies to the determination method of the content of corresponding substances in industrial borides.

GB/T 12684-2006 Referenced Document

GB/T 12737-1991 Chemical products for industrial use--General method for determination of traces of sulfate by reduction and titrimetry
GB/T 3049-2006 Chemical products for industrial use. General method for determination of iron content 1, 10 Phenanthroline spectrophotometric method*， 2006-12-29 Update
GB/T 3051-2000 Inorganic chemical products for industrial use-General method for determination of chloride content-Mercurimetric method
GB/T 6682-1992 Water for analytical laboratory use--Specification and test methods
HG/T 3696.1 Inorganic chemicals for industrical use Preparations of standard and reagent solutions for chemical analysis.Part 1:Preparations of standard volumetric solutions *， 2011-12-20 Update

2018 GB/T 12684-2018 Boron compound for industrial use.Methods of test
2006 GB/T 12684-2006 Methods of test for boron compound for industrial use
1990 GB/T 12684.1-1990 Boric acid for industrial use--Determination of boric acid content