GB 1256-2008 (English Version) PDF

Standard No.: GB 1256-2008
Language: Chinese, Available in English version
Release Date: 2008
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB 1256-2008
Replace: GB 1256-1990

Scope: WARNING: Arsenic trioxide is highly toxic. Some test procedures specified in this standard may lead to hazardous situations, and it is the user's responsibility to take appropriate safety and health measures. Molecular formula: As₂O₃. Relative molecular mass: 197.84 (according to the international relative atomic mass in 2005). This standard specifies the properties, specifications, testing, inspection rules, packaging and marking of the working reference reagent arsenic trioxide. This standard applies to the inspection of arsenic trioxide, a working reference reagent for titration analysis.

GB 1256-2008 Referenced Document

GB 10738 Working chemical.General rules for assay.Weight titration
GB 15258 General rules for preparation of precautionary label for chemicals*， 2009-06-21 Update
GB 15346 Chemical reagent.Packaging and marking*， 2012-12-31 Update
GB/T 3914-2008 Chemical reagent.The general rules of anodic stripping voltammetry
GB/T 601 Chemical reagent.Preparations of reference titration solutions*， 2016-10-13 Update
GB/T 602 Chemical reagent--Preparations of standard solutions for impurity
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 9729 Chemical reagent.General method for the determination of chloride
GB/T 9739 Chemical reagent.General method for the determination of iron
HG/T 3484 Chemical reagent.Standard of clear liquor,made from glass dust,and standard of transparence
HG/T 3921 Chemical reagent.Regulations for sampling and acceptance