| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HJ 533-2009 | English | 239 |
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Days<=3
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Ambient air exhaust gas. Determination of ammonia. Nesslerreagent spetcrophotometry
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HJ 533-2009
| Valid |
HJ 533-2009
|