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+86-13971029269
FAX：0086-27-82288295
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ADD.: Rm 1013,BLDG 3,Area C,Hankou City Plaza,Houhu Avenue,Wuhan
地址：武汉市江岸区后湖大道汉口城市广场C区3号楼1013
网址：www.zoyochem.com
| ITEMS | STANDARDs | ||
| Appearance | White to off-white granular | ||
| Assay | 99.0% - 101.0% | ||
| Loss on drying(105℃,3h) | ≤ 1% | ||
| Heat Stability | No change in colour after heating for 90 minutes at 105℃ | ||
| Acidity (as C6H8O2) | ≤ 1% | ||
| Alkalinity (as K2CO3) | ≤ 1% | ||
| Chloride (as Cl) | ≤ 0.018% | ||
| Aldehydes (as formaldehyde) | ≤ 0.1% | ||
| Sulfate (as SO4) | ≤ 0.038% | ||
| Lead (Pb) | ≤ 5 mg/kg | ||
| Arsenic (As) | ≤ 3 mg/kg | ||
| Mercury (Hg) | ≤ 1 mg/kg | ||
| Heavy metals (as Pb) | ≤ 10 mg/kg | ||
| Organic Volatile Impurities | Meet the requirements | ||
| Residual solvents | Meet the requirements |
