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GB/T 11213.7-2008 Active
GB/T 11213.7-2008 Test methods of sodium hydroxide for chemical fiber use—Part 7:Determination of copper content—Spectrometric method
Abstract
This part of GB/T 11213 specifies the method for determining the copper content in sodium hydroxide for chemical fiber applications. This part is applicable to products with a copper content in sodium hydroxide ranging from 0.000 01% to 0.000 1%.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 11213.7-2008 |
| CCS | Inorganic acids and alkalis |
| ICS | \nAlkali |
| Implement Date | 2009-02-01 |
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