在碱性条件下，用原子荧光分光光度计直接测定氨的吸收，建立了定氮新方法。
The new method of determination of nitrogen content was established by directly determining the absorption of ammonia in the alkaline medium with atomic fluorescence spectrophotometer.
目的：建立与生活饮用水氨氮测定相匹配的方法来检测工作场所中空气氨。
Objective: An improved method of ammonia nitrogen in drinking water was developed for the ammonia in workplace air.
用依据悬浮颗粒对光吸收原理建立显色反应的主次双波长光度测定氨氮(NH_3 - N)新方法。
Based on the light absorption property of the formed suspended particle a new method for determining NH3-N by primary-secondary wavelength spectrophotometry was developed.
就此提出了酒石酸钾钠溶液的有效期和保存方法，以进一步提高氨氮测定的准确度。
Thus, the potassium sodium tartrate solution's period of validity and store method were put forward in order to more improve the measurement precision of ammonia.
就此提出了酒石酸钾钠溶液的有效期和保存方法，以进一步提高氨氮测定的准确度。
Thus, the potassium sodium tartrate solution's period of validity and store method were put forward in...
就此提出了酒石酸钾钠溶液的有效期和保存方法，以进一步提高氨氮测定的准确度。
Thus, the potassium sodium tartrate solution's period of validity and store method were put forward in...
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