GB/T 657-2011
ActiveChemical reagent - Hexaammonium heptamolybdate tetrahydrate
化学试剂 四水合钼酸铵(钼酸铵)
Application Summary AI generated
GB/T 657-2011 specifies the technical requirements, test methods, and inspection rules for hexaammonium heptamolybdate tetrahydrate used as a chemical reagent. It is applied in analytical laboratories and industrial settings for determining phosphorus, silicon, and other elements in spectrophotometric analysis, as well as in the production of catalysts and molybdenum compounds. This standard ensures the purity and consistency of the reagent for precise chemical testing and manufacturing processes.
Related Standards
GB/T 20724-2006
Method of thickness measurement for thin crystal by convergent beam electron diffraction
GB/T 28727-2012
Gas analysis - Determination of sulfides - Gas chromatograph with flame photometric detector
GB/T 14666-2003
Terms for analytical chemistry
GB/T 674-2003
Chemical reagent--Copper(II)oxide powder
GB/T 1265-2003
Chemical reagent--Sodium bromide
GB/T 656-2003
Chemical reagent--Ammonium dichromate
GB/T 606-2003
Chemical reagent--General method for the determination of water--Karl Fischer method
GB/T 19502-2004
Surface chemical analysis--Glowdischarge optical emission spectrometry(GD-OES)--Introduction to use
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.