煤炭石油標(biāo)準(zhǔn)物質(zhì)產(chǎn)品及廠家
國(guó)家一級(jí)煤標(biāo)準(zhǔn)物質(zhì) gbw11118a 煤中氯 gbw111120a 標(biāo)準(zhǔn)煤樣跟蹤監(jiān)測(cè)，本系列包括3個(gè)不同氯含量的煤標(biāo)準(zhǔn)物質(zhì)gbw11118a gbw11119a gbw111120a，用于煤中氯測(cè)定的質(zhì)量控制。每瓶50g。使用后將瓶蓋擰緊，存放在陰涼干燥處。
更新時(shí)間:2025-09-16
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