Total nitrogen in industrial sulfuric acid

Total nitrogen in industrial sulfuric acid, Total:46 items.

The international standard classification for "Total nitrogen in industrial sulfuric acid" includes: Acids , Salts .

The Chinese standard classification for "Total nitrogen in industrial sulfuric acid" includes: Inorganic acid and alkali , Inorganic salt .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 534-2014 Sulphuric acid for industrial use
GB/T 534-2002 Sulphuric acid for industrial use
GB/T 26519.1-2011 Persulfate for industrial use—Part 1:Sodium persulfate for industrial use
GB/T 26519.2-2011 Persulfate for industrial use - Part 2: Potassium persulfate for industrial use

GJB 212.19-1986 Special industrial leather - Determination of total sulfate content

T/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method

GB/T 26519.2-2021 Persulfate for industrial use—Part 2:Potassium persulfate for industrial use
GB/T 26519.3-2021 Persulfate for industrial use—Part 3:Ammonium persulfate for industrial use
GB/T 26519.1-2021 Persulfate for industrial use—Part 1:Sodium persulfate for industrial use

NBN T 03-019-1979 Sulphuric acid and oleum for industrial use - Determination of total nitrogen content - Titrimetric method after distillation
NBN T 03-024-1979 Sulphuric acid and oleum for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 03-016-1979 Sulphuric acid and oleum for industrial use - Determination of total acidity, and calculation of free sulphure trioxide content of oleum - Titrimetric method

ISO 914:1977 Sulphuric acid and oleum for industrial use; Determination of total nitrogen content; Titrimetric method after distillation
ISO 2899:1974 Sulphuric acid and oleums for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 2363:1972 Sulphuric acid and oleums for industrial use; Determination of oxides of nitrogen; 2,4- Xylenol spectrophotometric method
ISO 3331:1975 Ammonium nitrate for industrial use — Determination of total nitrogen content — Titrimetric method after distillation

CSN 65 1025 Cast.10-1989 Sulphuric acid for industrial use. pectrophotometric method for the etermination of total nitrogen xides

NF T20-295:1968 CHEMICAL ANALYSIS OF SULPHURIC ACID AND OLEUM. DETERMINATION OF TOTAL NITROGEN.
NF T20-291:1982 Sulphuric acid and oleum for industrial use. Determination of total acidity, and calculation of free sulphur trioxide content of oleum. Titrimetric method.

JUS H.B8.013-1981 Sulphuric acid and oleum for industrial u se. Determination of total nitrogen content Titrimetric method after distilation
JUS H.G8.457-1991 Reagents. Potassium sulpbate. Determination of total nltrogen content. Colorlmetrlc metho?
JUS H.B8.010-1981 Sulphuric acid and oleum for industrial use. Determination of total acidity and calculation of free sulphur trioxide content of oleum. Titrimetric method
JUS H.B8.637-1981 Sulphuric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method
JUS H.G8.447-1990 Reagents. Zine sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method

NP 1233-1976 Sulfuric acid and nicotine used in industry. Measurement of nitrogen content

NS 4743:1993 Water analysis — Determination of total nitrogen after oxidation by peroxodisulphate

KS M ISO 3332-2022 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS M 1610-2011 Copper sulfate for industrial use
KS M ISO 910-2004(2019) Sulphuric acid and oleum for industrial use－Determination of total acidity, and calculation of free sulphur trioxide content of oleum－Titrimetric method

NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate

OS GSO ISO 3332:2007 Ammonium sulphate for industrial use – Determination of ammoniacal nitrogen content – Titrimetric method after distillation
GSO ISO 3332:2007 Ammonium sulphate for industrial use – Determination of ammoniacal nitrogen content – Titrimetric method after distillation