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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 223.57-1987 |
Methods for chemical analysis of iron，steel and alloy--The extraction-absorption catalytic polarographic method for the determination of cadmium content 钢铁及合金化学分析方法 萃取分离-吸附催化极谱法测定镉量 |
China National Standards extra |
 English PDF |
| GB/T 6766-1986 |
Radiochemical analysis of strontium-90 in water--extraction chromatography by di-(2-ethylhexyl) phosphori acid 水中锶-90 放射化学分析方法 二-(2-乙基己基) 磷酸萃取色层法 |
China National Standards extra |
English PDF |
| GB/T 5211.13-1986 |
Determination of acidity or alkalinity of theaqueous extract of pigments 颜料水萃取液酸碱度的测定 |
China National Standards extra |
English PDF |
| GB/T 6531-1986 |
Crude petroleum and fuel oils--Determination of sediment--extraction method 原油和燃料油中沉淀物测定法(抽提法) |
China National Standards extra |
English PDF |
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