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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| SC/T 9444-2023 |
Determination of ammonia nitrogen in aquaculture water - gas phase molecular absorption spectrometry {译} 水产养殖水体中氨氮的测定 气相分子吸收光谱法 |
China Aquaculture Industry
Standards Determination ammonia nitrogen |
 English PDF |
| HJ 537-2009 |
Water quality. Determination of ammonia nitrogen. Distillation-neutralization titration 水质 氨氮的测定 蒸馏-中和滴定法 |
China Environmental Protection Industry
Standards Determination ammonia nitrogen |
English PDF |
| HJ 536-2009 |
Water quality - Determination of ammonia nitrogen - Salicylic acid spectrophotometry 水质 氨氮的测定 水杨酸分光光度法 |
China Environmental Protection Industry
Standards Determination ammonia nitrogen |
English PDF |
| HJ/T 195-2005 |
Water quality. Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry 水质 氨氮的测定 气相分子吸收光谱法 |
China Environmental Protection Industry
Standards Determination ammonia nitrogen |
English PDF |
| HJ/T 195-2005 |
Water quality Determination of ammonia nitrogen Gas-phase molecular absorption spectrometry {译} 水质 氨氮的测定 气相分子吸收光谱法 |
China Environment Industry
Standards Determination ammonia nitrogen |
English PDF |
| QB/T 2186-1995 |
(Determination of hydrolyzed protein liquid nitrogen ammonia electrode method together) 氨气敏电极法测定水解蛋白液合氮量 |
China Light Industry
Standards Determination ammonia nitrogen |
English PDF |
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