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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 4104-2003 |
Leucoscopic method for testing whiteness of zinc oxide made by direct process 直接法氧化锌白度(颜色)检验方法 |
China National Standards Testing method whiteness |
 English PDF |
| GB/T 5885-1986 |
Testing method of whiteness of ramie fiber 苎麻纤维白度试验方法 |
China National Standards Testing method whiteness |
English PDF |
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