1) disulfonic acid phenol
酚二磺酸法
1.
The determining results were compared with that of national standard test (disulfonic acid phenol method).
用麝香草酚法测定水中硝酸盐氮 ,并与标准方法酚二磺酸法进行对照 ,所测结果经统计学处理 ,两种方法无显著性差异 ,精密度、准确度等各项指标符合分析标准。
2) spectrophotometric method with phenol disulfonic acid
酚二磺酸光度法
1.
The comparison analysis of nitrate nitrogen determination is conducted with the same standard solution and natural water samples by two methods of spectrophotometric method with phenol disulfonic acid and ultraviolet spectrophotometer.
采用同一标准液和天然水样用酚二磺酸光度法和紫外分光光度法测定硝酸盐氮,进行比对分析,同时调查云南省内用此两种方法密码样考核的情况。
2.
By the way of spectrophotometric method with phenol disulfonic acid monitoring nitrate nitrogen in water, the concentration of standard solution will reduce by the reason of error brought by the processing of drawing standard curve.
用酚二磺酸光度法测定水中硝酸盐氮,由于标准曲线制作过程容易引入误差致使标准液浓度降低,这样制作的标准曲线的斜率偏低,导致测定结果偏高,如果改用绘制工作曲线可克服这方面的误差。
3) phenoldisulfonic acid method
(苯)酚二磺酸法
4) phenol disulfonic acid
酚二磺酸
1.
This text make use of the phenol disulfonic acid colorimetry,investigate the detemination in vegetable of daily life,-show people's increasing knowledge about food quantity and paying more attention on it.
本文利用酚二磺酸比色法,测定调查了日常生活中蔬菜的硝酸盐含量,显示人们对食品质量认识的不断提高和对食品质量的重视。
2.
By using spectrophotometric method with phenol disulfonic acid as major reagent and introduced as standard liquid in determining nitrate nitrogen,the preparation conditions can have a great influence on the results.
在测定硝酸盐氮的酚二磺酸光度法中,酚二磺酸作为主要试剂,并直接进入标准使用液,其制备条件的变化将直接影响测定结果。
5) C 6H 6S 2O 7
二磺酸酚
补充资料：二磺酚
分子式：
CAS号：
性质：又称4-甲基-1,2-二硫酚。白色晶体，露置空气中，有化为液体的倾向。熔点31℃，沸点(11.2kPa)185～187℃。溶于稀碱液。用作钨、铋、铼、钼、锡的检测。
CAS号：
性质：又称4-甲基-1,2-二硫酚。白色晶体，露置空气中，有化为液体的倾向。熔点31℃，沸点(11.2kPa)185～187℃。溶于稀碱液。用作钨、铋、铼、钼、锡的检测。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条