首页> 外国专利> COMPONENT ADJUSTING AGENT FOR SAMPLE WATER, MEASURING METHOD FOR NITROGEN CONTAINED IN THE SAMPLE WATER, AND MEASURING INSTRUMENT FOR NITROGEN CONTAINED IN THE SAMPLE WATER

COMPONENT ADJUSTING AGENT FOR SAMPLE WATER, MEASURING METHOD FOR NITROGEN CONTAINED IN THE SAMPLE WATER, AND MEASURING INSTRUMENT FOR NITROGEN CONTAINED IN THE SAMPLE WATER

机译：样品水成分调整剂，样品水中氮含量的测定方法以及样品水中氮含量的测定仪器

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摘要

PROBLEM TO BE SOLVED: To provide a component adjusting agent for sample water making it possible to accurately measure nitrogen content in the sample water even if the sample water contains interfering substances such as bromide ions or chromium ions.;SOLUTION: This invention has the following components: [1] A component adjusting agent for sample water for water quality measurement comprising reducing sulfur oxides. [2] A component adjusting agent of [1], characterized in that the sulfur oxides comprise sulfites and/or thiosulfates. [3] A component adjusting agent of [2], characterized in that the sulfur oxides comprise one or more kinds selected from among sodium hydrogensulfite, sodium sulfite, and sodium thiosulfate.;COPYRIGHT: (C)2003,JPO

机译：解决的问题：提供一种用于样品水的成分调节剂，即使样品水包含诸如溴离子或铬离子的干扰物质，也可以准确地测量样品水中的氮含量。解决方案：本发明具有以下特征：组分：[1]用于水质测量的样品水的组分调节剂，其包含还原性硫氧化物。 [2] [1]的组分调节剂，其特征在于所述硫氧化物包括亚硫酸盐和/或硫代硫酸盐。 [3] [2]的组分调节剂，其特征在于，所述硫氧化物包括选自亚硫酸氢钠，亚硫酸钠和硫代硫酸钠中的一种或多种。COPYRIGHT：（C）2003，JPO

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公开/公告号JP2003254961A

专利类型
公开/公告日2003-09-10

原文格式PDF
申请/专利权人 KOKAN KEISOKU KK;
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申请/专利号JP20020057016
发明设计人 YOSHIKAWA HIROYASU;SAKASHITA AKIKO;NAGATA MASATSUGU;
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申请日2002-03-04
分类号G01N33/18;G01N21/33;G01N31/00;
国家 JP
入库时间 2022-08-22 00:14:11

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