| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HG/T 2022-1991 | English | 239 |
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Days<=2
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Determination of free chlorine and total chlorine in industrial circulating cooling water N, N-Diethyl-1, 4-Phenylenediamine titration
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HG/T 2022-1991
| Obsolete |
HG/T 2022-1991
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