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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 1646-2020 |
2-Naphthol 2-萘酚 |
China National Standards Naphthol |
 English PDF |
| 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 Naphthol |
English PDF |
| GB/T 1652-2014 |
Naphthol AS 色酚AS |
China National Standards Naphthol |
English PDF |
| GB/T 1646-2012 |
2-Naphthol 2-萘酚 |
China National Standards Naphthol |
English PDF |
| GB/T 25782-2010 |
1-Naphthol 1-萘酚 |
China National Standards Naphthol |
English PDF |
| GB/T 23676-2009 |
Naphthol AS-BI 色酚AS-BI |
China National Standards 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 Naphthol |
English PDF |
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