| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| HG/T 3538-2011 | English | 319 | Add to Cart | Days<=3 | Water treatment chemicals. Sodium ethylene diamine tetramethylene phosphonate | HG/T 3538-2011 | Valid | HG/T 3538-2011 |