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钴粉,7440-48-4,99.5% metals basis,300目
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钴粉,7440-48-4,99.5% metals basis,1-2μm
-
NCSZ-Co-2020 标样/NCSZ-Co-2020(2)水质Co钴质控样5.20μg/L
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IARM Co6B-18/G 钴合金
-
多元素标准液 I (溶于油中) c(Ba) = 8 g/kg; c(Ca) = 4 g/kg; c(Mg) = 1 g/kg; c(Zn) = 1,6 g/kg CertiPUR®
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NCSZ-Co-2020(同NCS144230) 标样/NCSZ-Co-2020(3)水质Co钴质控样79.7μg/L
-
NCSZ-COD-1000μg/mL 标样/水质CODcr化学需氧量质控样1000μg/mL
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纳米钴粉,7440-48-4,99.9% metals basis,≤500nm
-
阿维菌素,100 μg/mL溶于乙腈
-
雷尼钴催化剂,7440-48-4,50μm,分散在水中
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