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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 6730.44-2017 |
Iron ores—Determination of zinc content—1-(2-pyridylazo)-2-naphthol spectrophotometric method 铁矿石 锌含量的测定 1-(2-吡啶偶氮)-2-萘酚分光光度法 |
China National Standards 1 Naphthol |
 English PDF |
| GB/T 25782-2010 |
1-Naphthol 1-萘酚 |
China National Standards 1 Naphthol |
English PDF |
| GB/T 23666-2009 |
1-Naphthol-5-sulfonic acid （L acid ） 1-萘酚-5-磺酸（L酸） |
China National Standards 1 Naphthol |
English PDF |
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