发明名称 |
METHODS OF STABILIZING TOTAL ORGANIC CARBON (TOC) LEVELS IN NON-ACIDIFIED STANDARDS FOR TOC ANALYZERS AT ROOM TEMPERATURE |
摘要 |
Methods for stabilizing reference standards used in total organic carbon (TOC) analysis of water and pharmaceutical samples are disclosed. The methods include adding a preservative to TOC reference standards. The preservative is selected from the group consisting of copper (II) sulfate and hydrogen sulfite. Compositions of the stabilized reference standards are also disclosed. |
申请公布号 |
US2015024502(A1) |
申请公布日期 |
2015.01.22 |
申请号 |
US201214371290 |
申请日期 |
2012.01.09 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
Deng Shouquan |
分类号 |
G01N33/18 |
主分类号 |
G01N33/18 |
代理机构 |
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代理人 |
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主权项 |
1. A method of stabilizing a reference standard used in total organic carbon (TOC) analysis comprising:
(a) providing a solution of said reference standard; and (b) adding a preservative to said solution to create a stabilized reference standard. |
地址 |
Schenectady NY US |