| 1. | Mild powder - determination of nitrate and nitrite contents
硝酸盐亚硝酸盐的测定 |
| 2. | Milk powder - determination of nitrate and nitrite contents
乳粉硝酸盐亚硝酸盐的测定 |
| 3. | Water quality - determination of nitrite - molecular absorption spectrometric method
水质.亚硝酸盐的测定.分子吸收分光计法 |
| 4. | Water quality - determination of nitrite - molecular absorption spectrometric method
水质.亚硝酸盐的测定.分子吸收光谱测定法 |
| 5. | Water quality - determination of nitrate - part 3 : spectrometric method using sulfosalicylic acid
水质.亚硝酸盐的测定.第3部分:使用磺基水杨酸的分光计法 |
| 6. | Water quality - determination of nitrate - part 2 : 4 - fluorophenol spectrometric method after distillation
水质.亚硝酸盐的测定.第2部分:蒸馏后4 -氟代苯酚分光计法 |
| 7. | Water quality ; determination of nitrite ; molecular absorption spectrometric method iso 6777 : 1984 ; german version en 26777 : 1993
水质.亚硝酸盐的测定.分子吸收光谱法 |
| 8. | Water quality - physical , chemical and biochemical methods - determination of nitrite : molecular absorption spectrometric method
水质.物理.化学和生物化学方法.亚硝酸盐的测定：分子吸收光谱测定方法 |
| 9. | Methods for analysis of water for boiler and for cooling - the determination of nitrates and nitrites - ultraviolet spectrophotometry for nitrates
锅炉用水和冷却水分析方法硝酸盐和亚硝酸盐的测定硝酸盐紫外光度法 |
| 10. | Methods for analysis of water for boiler and for cooling - the determination of nitrates and nitrites - ultraviolet spectrophotometry for nitrites
锅炉用水和冷却水分析方法硝酸盐和亚硝酸盐的测定亚硝酸盐紫外光度法 |
