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MT/T 257-2000 English PDF

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MT/T 257-2000: Determination of free carbon dioxde in coal mine water

MT/T 257: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
MT/T 257-2000English209 Add to Cart 3 days [Need to translate] Determination of free carbon dioxde in coal mine water   MT/T 257-2000
MT 257-1991English199 Add to Cart 2 days [Need to translate] (Determination of mine water free of carbon dioxide) Obsolete MT 257-1991

PDF similar to MT/T 257-2000


Standard similar to MT/T 257-2000

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Basic data

Standard ID MT/T 257-2000 (MT/T257-2000)
Description (Translated English) Determination of free carbon dioxde in coal mine water
Sector / Industry Coal Industry Standard (Recommended)
Classification of Chinese Standard Z23
Classification of International Standard 13.060.30
Word Count Estimation 6,641
Date of Issue 2000-12-08
Date of Implementation 2001-05-01
Older Standard (superseded by this standard) MT 257-1991
Summary This standard specifies: Determination of mine water with alkali titration free of carbon dioxide. This standard applies to: Coal water free of carbon dioxide the determination. Under the standard conditions, determination of free carbon dioxide in the range of 0. 1 ~ 50mg/L. This standard does not apply to dissolved solids concentration greater than 1000mg/L or total hardness (as CaCO (3) meter) greater than 500mg/L, and in addition to containing carbonic acid other acid water samples free of carbon dioxide the determination.

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Question 5: Should I purchase the latest version MT/T 257-2000?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version MT/T 257-2000 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.