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SH/T 1482-2020 English PDF

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SH/T 1482-2020: Isobutene for industrial use. Determination of purity and hydrocarbon impurities. Gas chromatographic method
Status: Valid

SH/T 1482: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
SH/T 1482-2020English209 Add to Cart 3 days [Need to translate] Isobutene for industrial use. Determination of purity and hydrocarbon impurities. Gas chromatographic method Valid SH/T 1482-2020
SH/T 1482-2004English319 Add to Cart 3 days [Need to translate] Isobutene for industrial use. Determination of purity and hydrocarbon impurities. Gas chromatographic method Obsolete SH/T 1482-2004
SH/T 1482-1992English199 Add to Cart 2 days [Need to translate] (Industrial purity isobutylene and hydrocarbon impurities - Gas Chromatography) Obsolete SH/T 1482-1992

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Basic data

Standard ID SH/T 1482-2020 (SH/T1482-2020)
Description (Translated English) Isobutene for industrial use. Determination of purity and hydrocarbon impurities. Gas chromatographic method
Sector / Industry Petrochemical Industry Standard (Recommended)
Classification of Chinese Standard G17
Classification of International Standard 71.080.15
Word Count Estimation 9,931
Date of Issue 2020-12-09
Date of Implementation 2021-04-01
Older Standard (superseded by this standard) SH/T 1482-2004
Quoted Standard GB/T 3723; GB/T 6023; GB/T 8170; SH/T 1142; SH/T 1483; SH/T 1484
Regulation (derived from) Ministry of Industry and Information Technology Announcement No. 48 (2020)
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the use of gas chromatography to determine the purity of industrial isobutene and the content of hydrocarbon impurities. This standard applies to the purity greater than 98.00% (mass fraction), propane, propylene, isobutane, n-butane, trans-2-butene, 1-butene, cis-2-butene, propyne, 1,3 -Butadiene, n-pentane, isopentane and other hydrocarbon impurities content not less than 0.0010% (mass fraction) of industrial isobutylene determination. Since this standard cannot determine all possible impurities such as oxygenated compounds, isobutylene dimer, water, etc., other test methods are required to fully characterize isobutylene samples.

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Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version SH/T 1482-2020 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.