| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| HG/T 3539-1990 | English | 199 | Add to Cart | Days<=2 | (Industrial circulating cooling water Determination of iron content. Phenanthroline spectrophotometric) | HG/T 3539-1990 | Obsolete | HG/T 3539-1990 |