GB/T 40704-2021
Natural gas—Determination of odorant tetrahydrothiophene—On-line sampling gas chromatography method
GB/T 20975.9-2020
Methods for chemical analysis of aluminium and aluminium alloys—Part 9:Determination of lithium content—Flame atomic absorption spectrometry
GB/T 26310.5-2010
Carbonaceous materials used in the production of aluminium - Calclined coke - Part 5:Determination of residual hydrogen content
GB/T 20975.30-2019
Methods for chemical analysis of aluminium and aluminium alloys—Part 30:Determination of hydrogen content—Heating extraction-thermal conductivity method
GB/T 4702.5-2008
Chromium metal - Determination of aluminium content - EDTA titrimetric method and flame atomic absorption spectrometric method
ISO 6467:2018
Ferrovanadium — Determination of vanadium content — Potentiometric method
YS/T 1472.4-2021
T/CSTM 00874-2022
T/CAIA SH017-2021
GB/T 20975.9-2008
Methods for chemical analysis of aluminium and aluminium alloys—Part 9:Determination of lithium content—Flame atomic absorption spectrometric method
T/CMES 02007-2024
YS/T 1658.4-2023
\u0413\u041e\u0421\u0422 \u0420 \u0418\u0421\u041e 10237-2016
Carbonaceous materials used in the production of aluminium. Calcined coke. Determination of residual-hydrogen content
QJ 3140.2-2001
EN ISO 14389:2022
ISO 14389:2022
Textiles — Determination of the phthalate content — Tetrahydrofuran method
GB/T 11064.16-2023
Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Part 16: Determination of calcium, magnesium, copper, lead, zinc, nickel, manenases, cadmium, aluminum, iron and sulfate contents—Inductively coupled plasma atomic emission spectrometry
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Textiles. Determination of the phthalate content. Tetrahydrofuran method
20240271-T-469
Natural gas—Determination of odorant—Part 2:Determination of tetrahydrothiophene by electrochemical sensor
DZ/T 0424.2-2022