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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 5785-2021 |
4-Chlorophthalic Anhydride for industrial use {译} 工业用4-氯代苯酐 |
China Chemistry Industry
Standards Anhydride |
 English PDF |
| HG/T 5784-2021 |
3-Chlorophthalic Anhydride for industrial use {译} 工业用3-氯代苯酐 |
China Chemistry Industry
Standards Anhydride |
English PDF |
| HG/T 5818-2020 |
Technical Specifications for Treatment and Disposal of Phthalic Anhydride Residue {译} 苯酐渣处理处置技术规范 |
China Chemistry Industry
Standards Anhydride |
English PDF |
| SN/T 4373-2015 |
(Maleic Anhydride, phthalic anhydride by gas chromatography) 邻苯二甲酸酐中马来酸酐的测定 气相色谱法 |
China Import Export Inspection
Standards Anhydride |
English PDF |
| SN/T 3807-2014 |
(Phthalic Anhydride purity - Determination - differential scanning calorimetry) 邻苯二甲酸酐纯度的测定 差示扫描量热法 |
China Import Export Inspection
Standards Anhydride |
English PDF |
| DL/T 1151.14-2012 |
Analytical methods of scale and corrosion products in power plants. Part 14: Determination of sulfuric Anhydride. Photometric method using barium chromate 火力发电厂垢和腐蚀产物分析方法 第14部分：硫酸酐的测定 铬酸钡光度法 |
China Electricity & Power
Standards Anhydride |
English PDF |
| DL/T 1151.13-2012 |
Analytical methods of scale and corrosion products in power plants. Fart 13: Determination of sulfuric acid Anhydride. Photometric method used to barium sulfate 火力发电厂垢和腐蚀产物分析方法 第13部分：硫酸酐的测定 硫酸钡光度法 |
China Electricity & Power
Standards Anhydride |
English PDF |
| DL/T 1151.12-2012 |
Analytical methods of scale and corrosion products in power plants. Part 12: Determination of phosphoric Anhydride 火力发电厂垢和腐蚀产物分析方法 第12部分：磷酸酐的测定 |
China Electricity & Power
Standards Anhydride |
English PDF |
| HG/T 2229-2009 |
Water treatment chemicals. Maleic Anhydride-acrylic acid copolymer 水处理剂 马来酸酐-丙烯酸共聚物 |
China Chemical Industry
Standards Anhydride |
English PDF |
| HG/T 3479-2003 |
Chemical reagent. 0-Phthalic Anhydride 化学试剂 邻苯二甲酸酐 |
China Chemical Industry
Standards Anhydride |
English PDF |
| HG/T 3459-2003 |
Chemical reagent. Maleic Anhydride 化学试剂 顺丁烯二酸酐 |
China Chemical Industry
Standards Anhydride |
English PDF |
| HG/T 2956.3-2001 |
Ascharite ores. Determination of boric Anhydride content. Volumetric method 硼镁矿石中三氧化二硼含量的测定 容量法 |
China Chemical Industry
Standards Anhydride |
English PDF |
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