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GB/T 12157-2022 in English
Determination of dissolved oxygen in water for industrial circulating cooling system and boiler
valid
Issued on:2022-03-09
$436.00 -
GB/T 39298-2020 in English
Reclaimed water quality—Determination of benzene homologues—Gas chromatography
valid
Issued on:2020-11-19
$308.00 -
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GB/T 39306-2020 in English
Reclaimed water quality—Determination of total arsenic—Atomic fluorescence spectrometry
valid
Issued on:2020-11-19
$196.00 -
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GB/T 37905-2019 in English
Reclaimed water quality—Determination of chromium—Voltammetry and polarography
valid
Issued on:2019-08-30
$308.00 -