GB/T 43598-2023
Nanotechnology—Measurement for oxygen content and C/O of graphene powder—X-ray photoelectron spectroscopy
YB/T 6183-2024
DB13/T 2768.2-2018
GB/T 13176.3-1991
Washing powders—Determination of active oxygen content—Titrimetric method
YS/T 424.5-2022
KS M ISO 4321-2003(2023)
Washing powders-Determination of active oxygen content-Titrimetric method
KS M ISO 4321-2003(2018)
Washing powders-Determination of active oxygen content-Titrimetric method
20233736-T-606
Gas analysis-Determination of the contents of trace hydrogen,oxygen,methane and carbon monoxide in inert gases- Gas chromatography with zirconia detector
T/CSTM 00340-2020
T/SPSTS 013-2019
DIN ISO 4321
Washing powders; determination of active oxygen content; titrimetric method
ASTM E1569-03
Standard Test Method for Determination of Oxygen in Tantalum Powder
ISO 4321:1977
Washing powders — Determination of active oxygen content — Titrimetric method
ASTM E1569-93(1998)
Standard Test Method for Determination of Oxygen in Tantalum Powder
UNE 55546:1979
SURFACE ACTIVE AGENTS. WASHING POWDERS. DETERMINATION OF ACTIVE OXYGEN CONTENT. TITRIMETRIC METHOD