China 2-Hydroxy-6-naphthal GB Standards Search Result |
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GB/T 23671-2009 2-Hydroxy-6-naphthalene carboxylic acid 2-羟基-6-萘甲酸 - 英文版 |
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GB/T 13747.8-1992 Zirconium and zirconium alloys--Determination of cobalt content--1-Nitroso-2-hydroxy-3，6-naphthalene-disulfonic acid (sodium salt) spectrophotometric method 锆及锆合金化学分析方法 亚硝基R盐分光光度法测定钴量 - 英文版 |
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