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。
The effects of potassium sodium tartrate and ammonium fluoride on the reaction of O-nitro-phenylfluorone with titanium have been studied.
研究了用邻硝基苯基荧光酮显色测酞时，酒石酸钾钠和氟化铵的影响。
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。
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