QJ 3140.2-2001
QJ 3140.2-2001
Tetrahydrofuran for industrial use
QJ 3140.2-2001
Chemical reagent-Tetrahydrofuran
QJ 3140.2-2001
2-Methyltetrahydrofuran for industrial use
QJ 3140.2-2001
Gel permeation chromatography(GPC) - Tetrahydrofuran as elution solvent
QJ 3140.2-2001
Textiles—Determination of the phthalate content—Tetrahydrofuran method
QJ 3140.2-2001
QJ 3140.2-2001
Binders for paints and varnishes - Gel permeation chromatography(GPC) - Tetrahydrofuran(THF) as eluent
QJ 3140.2-2001
Tetrahydrofuran
QJ 3140.2-2001
Tetrahydrofuran
QJ 3140.2-2001
QJ 3140.2-2001
Health standard for tetrahydrofuran in the air of workplace
QJ 3140.2-2001
QJ 3140.2-2001
QJ 3140.2-2001
Ferrovanadium — Determination of vanadium content — Potentiometric method
QJ 3140.2-2001
QJ 3140.2-2001
QJ 3140.2-2001
QJ 3140.2-2001
QJ 3140.2-2001
Food contact materials—Polymer—Determination of 1-octene and tetrahydrofuran in food simulants—Gas chromatography