| 1. | Study on the analysis in field of ammonia - nitrogen in seawater with indophenol blue 现场分析海水中氨氮的靛酚蓝法 |
| 2. | The indophenol blue photometric method for the determination of nitrogen content after distillation seperation 靛酚蓝光度法测定氮量 |
| 3. | Water quality - determination of ammonium - part 2 : indophenol blue spectrophotometric method 水质.铵的测定.第2部分:靛酚蓝光谱测定法 |
| 4. | Determination of milligram ammonia in waste water of chemical fertilize plant by indigo spectrophotometry 靛酚蓝分光光度法测定化肥厂废水中微量氨 |
| 5. | Quality control of ammonia density determination in indoor air with indophenol blue photometric method 室内空气中氨的靛酚蓝分光光度法检测的质量控制 |
| 6. | Methods for chemical analysis of iron , steel and alloy - the indophenol blue photometric methods for the determination of nitrogen content after distillation separation 钢铁及合金化学分析方法蒸馏分离-靛酚蓝光度法测定氮量 |
| 7. | It concerns a comparison and contrast of three nationally adopted standard methods for the determination of ammonia in indoor air ( i . e 摘要对国家标准检测室内空气中氨含量的3种方法,即靛酚蓝分光光度法、纳氏试剂分光光度法以及离子选择性电极法进行了较为全面的研究。 |
| 8. | Sodium salicylate - sodium hypochlorite spectrophotometric method , nessler ' s reagent colorimetric method and ion selective eletrode method ) , the result obtained turns out to be satisfactory 并对靛酚蓝分光光度法与纳氏试剂分光光度法、离子选择性电极法与纳氏试剂分光光度法的样品测定进行了对比分析,得到了满意的结果。 |