Water quality nitrite
Water quality nitrite, Total:28 items.
The international standard classification for "Water quality nitrite" includes: Water quality .
The Chinese standard classification for "Water quality nitrite" includes: Analysis methods for toxic substances in water .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 7493-1987 quality - Determination of nitrogen (nitrite) - Spectrophotometric method
Professional Standard - Environmental Protection
- HJ/T 197-2005 Water quality -- Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry
Group Standards of the People's Republic of China
- T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
- T/XMTIC 0001-2024 Rapid method for the determination of nitrite in water
- T/NAIA 0248-2023 Determination of nitrite nitrogen in water quality by continuous flow analysis method
中华人民共和国环境保护部
- GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
Association Francaise de Normalisation
- NF EN 26777:1993 Water quality - Nitrite dosage - Molecular absorption spectrometry method
- NF T90-013*NF EN 26777:1993 Water quality - Determination of nitrite - Molecular absorption spectrometric method.
GSO
- GSO ISO 6777:2015 Water quality -- Determination of nitrite -- Molecular absorption spectrometric method
RO-ASRO
- STAS SR ISO 6777:1996 Water quality - Determination of nitrite - Molecular absorption spectrometric method
Korean Agency for Technology and Standards (KATS)
- KS I ISO 6777:2007 Water quality－Determination of nitrite－Molecular absorption spectrometric method
- KS I ISO 6777-2007(2017) Water quality－Determination of nitrite－Molecular absorption spectrometric method
International Organization for Standardization (ISO)
- ISO 6777:1984 Water quality; Determination of nitrite; Molecular absorption spectrometric method
SCC
- DANSK DS/EN 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method
- NS-EN 26777:1993 Water quality — Determination of nitrite — Molecular absorption spectrometric method (ISO 6777:1984)
Danish Standards Foundation
- DS/EN 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method
KR-KS
- KS I ISO 6777-2023 Water quality — Determination of nitrite — Molecular absorption spectrometric method
German Institute for Standardization
- 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
VN-TCVN
- 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
Japanese Industrial Standards Committee (JISC)
- JIS K 0400-43-30:2000 Water quality -- Determination of nitrite -- Molecular absorption spectrometric method
South African Bureau of Standard
- SANS 6777:1984 Water quality - Determination of nitrite - Molecular absorption spectrometric method
European Committee for Standardization (CEN)
- EN 26777:1993 Water Quality - Determination of Nitrite - Molecular Absorption Spectrometric Method (ISO 6777: 1984)
AT-ON
- ONORM EN 26777-1993 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
Spanish Association for Standardization (UNE)
- UNE-EN 26777:1994 WATER QUALITY. DETERMINATION OF NITRITE. MOLECULAR ABSORPTION SPECTROMETRIC METHOD. (ISO 6777:1984).
NL-NEN
- NEN-ISO 6777:1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)
Lithuanian Standards Office
- LST EN 26777-1999 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
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