GB/T 4348.1-2000
Sodium hydroxide for industrial use—Determination of sodium hydroxide and sodium carbonate content
GB/T 7698-1987
Sodium hydroxide for industrial use--Determination of carbonates content--Titrimetric method
DL 425.5-1991
DL 425.2-1991
GB/T 4348.1-2013
Sodium hydroxide for industrial use - Determination of sodium hydroxide and sodium carbonate content
GB/T 7698-2014
Sodium hydroxide for industrial use―Determination of carbonates content―Titrimetric method
GB/T 22661.3-2008
Chemical analysis methods of potassium fluoborade - Part 3: Determination of potassium fluoborade content - Distillation-sodium hydrogen oxidizes titration volumetric method
GB/T 22661.8-2008
Chemical analysis methods of potassium fluoborade - Part 8: Determination of free borade content - Distillation-sodium hydrogen oxidizes titration volumetric method
GB/T 7698-2003
Sodium hydroxide for industrial use—Determination of carbonates content—Titrimetric method
KS M ISO 3196-2017(2022)
Sodium hydroxide for industrial use — Determination of carbonates content — Titrimetric method
T/TAIA 001-2024
ISO 3196:1975
Sodium hydroxide for industrial use — Determination of carbonates content — Titrimetric method
UNE 55604:1978
SODIUM HYDROXIDE FOR USE AS RAW-MATERIAL IN DETERGENT FORMULATIONS. DETERMINATION OF CARBONATES CONTENT. TITRIMETRIC METHOD
UNE 55611:1981
SURFACE ACTIVE AGENTS. SODIUM HYDROXIDE FOR USE AS RAW-MATERIAL IN DETERGENT FORMULATIONS. DETERMINATION OF CARBONATES CONTENT. GAS-VOLUMETRIC METHOD
ISO 980:1976
Sodium hydroxide for industrial use — Determination of carbonates content — Gas-volumetric method