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GB/T 21896-2019 in English
2-Naphthylamine-1,5-disulfonic acid (Sulphonic Tobias acid )
VALID
Issued on:2019-12-31 | Implemented on:2020-11-01
$130.00 $127.00 -
GB/T 37038-2018 in English
DSD acid(4,4-Diaminostilbene-2,2-diasulfonicacid)
VALID
Issued on:2018-12-28 | Implemented on:2019-11-01
$220.00 $214.00 -
GB/T 33792-2017 in English
2,4-Diaminobenzenesulfonic acid sodium salt
VALID
Issued on:2017-05-31 | Implemented on:2017-12-01
$160.00 $156.00 -
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GB/T 23670-2016 in English
2-Amino-5-chloro-4-methylbenzenesulfonic acid(CLT acid)
SUPERSEDED
Issued on:2016-10-13 | Implemented on:2017-05-01
$160.00 $156.00









