| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HJ 830-2017 | English | 579 |
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Days<=5
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Ambient air -Determination of inorganic elements in ambient particle matter- Wavelength dispersive X-ray fluorescence spectroscopy (WD-XRF) method
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HJ 830-2017
| Valid |
HJ 830-2017
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