| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| GB/T 4919-1985 | English | 239 | Add to Cart | Days<=2 | Waste water from manufacturing process--Determination of total nitro compounds--Gas chromatographic method | GB/T 4919-1985 | Obsolete | GB/T 4919-1985 |