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- Keywords ammonia;indoor air;pollution;Nessler reagent colorimetic method; 氨;室内空气;污染;纳氏试剂比色法;
- Keywords Eutrophication;Kjeldahl Nitrogen;Nessler Reagent;Spectral Quantitative Analysis; 富营养化;分光光度法;凯氏氮;纳氏试剂;光谱定量分析;
- Nessler reagent 内斯勒试剂(检水中氨量)
- Experiment was done to detect NH3-N in soil by Nessler's reagent colorimetry. 进行了用纳氏试剂比色法直接测定海水中氨氮的试验。
- Add 1 ml.solution C (Nessler's reagent) to 25 ml.water sample. Agitate the mixture for 20 sec. 加1亳升的C溶液(奈氏试剂)进25亳升的样本中,把混合液摇动20秒。
- Add 1 ml solution C (Nessler's reagent) to 25 ml water sample. Agitate the mixture for 20 sec. 加1亳升的C溶液(奈氏试剂)进25亳升的样本中,把混合液摇动20秒。
- The reagent possesses specificity for water. 这种试剂对水有特殊的作用。
- L-Methyl glyoxylate is an important chiral reagent. 二羟乙酸L-薄荷酯是一种重要的手性试剂。
- This reagent attacks feldspars and dark minerals. 这种反应物质侵蚀长石和音色矿物。
- Main factors are as follows: standard solution, regressive curve, parallel experiment of sample, Nessler's reagent colorimetric method, spectrophotometer, sampling, etc. 影响测定结果的分量主要有:标准溶液、回归曲线、试样平行试验、纳氏试剂分光光度法、分光光度计,取样等。
- Luoyang Tiancheng Chemical Reagent Co., Ltd. 洛阳天骋化学试剂有限公司。
- Tianjin Damao Chemical Reagent Co., Ltd. 天津大茂化学试剂公司。
- BEIJING HENGJU OILFIELD CHEMICAL REAGENT CO., LTD. 北京市恒聚油田化学剂有限公司。
- They often use oriole reagent in their experiments. 他们在实验过程中，要经常用到吡咯试剂。
- This bifunctional reagent links protein molecules to one another. 这种双用试剂把蛋白质分子彼此连接起来。
- USES: As chemical reagent and corrodent of integrated plate. 用途：作化学试剂和集成电路电镀板的消蚀剂。
- This article evaluated uncertainty of determination by analyzing ammonia nitrogen determination process by Nessler's reagent colorimetric method,some important factors affecting results was obtained. 通过纳氏试剂光度法测定水中氨氮过程的分析,对测定不确定度作出评估,得出影响评定测定结果几种重要因素。
- This article evaluated uncertainty of determination by analyzing ammonia nitrogen determination process by Nessler's reagent colorimetric method, some important factors affecting results was obtained. 摘要通过纳氏试剂光度法测定水中氨氮过程的分析，对测定不确定度作出评估，得出影响评定测定结果几种重要因素。
- Determination of ammonia process using Nessler's reagent Spectrophotometric method was analyzed and the uncertainty was assessed. The main reason causing the uncertainty was also presented. 摘要通过纳氏试剂分光光度法测定水中氨氮的过程分析，对测定不确定度作出了评估，并得出产生测定不确定度的主要原因。
- A shortcut to buy a necessary reagent in a economical way? 如何以最合理的价格购买到最需要的试剂?
