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  4. Standard "GB/T 4920-1985"
Standard GB/T 4920-1985 18.1.1985 preview

GB/T 4920-1985

Determination of sulphuric acidmist in tail gas in sulphuric acid concentration process--Barium chromate colorimetric method

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STANDARD published on 18.1.1985


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190.80 USD

The information about the standard:

Designation standards: GB/T 4920-1985
Publication date standards: 18.1.1985
SKU: NS-885312
Country: Chinese technical standard
Category: Technical standards GB

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