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Water quality nitrous acid
Water quality nitrous acid, Total:31 items.
In the international standard classification, Water quality nitrous acid involves: Water quality, Test conditions and procedures in general.
中华人民共和国环境保护部, Water quality nitrous acid
- GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Water quality nitrous acid
- GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
Association Francaise de Normalisation, Water quality nitrous acid
- NF EN 26777:1993 Qualité de l'eau - Dosage des nitrites - Méthode par spectrométrie d'absorption moléculaire
Korean Agency for Technology and Standards (KATS), Water quality nitrous acid
VN-TCVN, Water quality nitrous acid
- TCVN 6178-1996 Water quality.Determination of nitrite.Molecular absorption spectrometric method
- TCVN 6180-1996 Water quality.Determination of nitrate.Spectrometric method using sulfosalicylic acid sunfosalixilic
RO-ASRO, Water quality nitrous acid
- STAS SR ISO 6777:1996 Water quality - Determination of nitrite - Molecular absorption spectrometric method
German Institute for Standardization, Water quality nitrous acid
- DIN EN 26777:1993 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
- DIN EN 26777:1993-04 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
International Organization for Standardization (ISO), Water quality nitrous acid
- ISO 6777:1984 Water quality; Determination of nitrite; Molecular absorption spectrometric method
Danish Standards Foundation, Water quality nitrous acid
- DS/EN 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method
- DS/EN 26777:1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method
- DS 230:1988 Water quality. Nitrate- + nitrite-nitrogen. Reduction by Devardas alloy
- DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
Japanese Industrial Standards Committee (JISC), Water quality nitrous acid
- JIS K 0400-43-30:2000 Water quality -- Determination of nitrite -- Molecular absorption spectrometric method
- JIS K 0400-43-40:2000 Water quality -- Determination of nitrate -- Part 1: 2,6-Dimethylphenol spectrometric method
- JIS K 0400-43-60:2000 Water quality -- Determination of nitrate -- Part 3: Spectrometric method using sulfosalicylic acid
- JIS K 0400-43-50:2000 Water quality -- Determination of nitrate -- Part 2: 4-Fluorophenol spectrometric method after distillation
AT-ON, Water quality nitrous acid
- ONORM EN 26777-1993 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
European Committee for Standardization (CEN), Water quality nitrous acid
- EN 26777:1993 Water Quality - Determination of Nitrite - Molecular Absorption Spectrometric Method (ISO 6777: 1984)
- prEN 26777-1992 Water quality; determination of nitrate; molecular absorption spectrometric method (ISO 6777:1984)
ZA-SANS, Water quality nitrous acid
- SANS 6777:1984 Water quality - Determination of nitrite - Molecular absorption spectrometric method
Professional Standard - Environmental Protection, Water quality nitrous acid
- HJ/T 197-2005 Water quality - Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry
NL-NEN, Water quality nitrous acid
- NEN-ISO 6777:1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)
Lithuanian Standards Office , Water quality nitrous acid
- LST EN 26777-1999 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
AENOR, Water quality nitrous acid
- UNE-EN 26777:1994 WATER QUALITY. DETERMINATION OF NITRITE. MOLECULAR ABSORPTION SPECTROMETRIC METHOD. (ISO 6777:1984).
Group Standards of the People's Republic of China, Water quality nitrous acid
- T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
BE-NBN, Water quality nitrous acid
- NBN-EN 26777-1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)
Indonesia Standards, Water quality nitrous acid
NO-SN, Water quality nitrous acid
- NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen