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钴标准溶液,7440-48-4,analytical standard ,100ug/ml in 1%HNO3
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钴标准液 可溯源至NIST的SRM,Co(NO₃)₂,溶于0.5 mol/l的HNO₃ 1000 mg/l Co CertiPUR®
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钴标准液 可溯源至NIST的SRM,Co(NO₃)₂,溶于0.5 mol/l的HNO₃ 1000 mg/l Co CertiPUR®
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钴粉,7440-48-4,99.5% metals basis
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NCSZ-Co-2020(3) 标样/水质Co钴质控样79.7μg/L
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NCSZ-Co-2020(4) 标样/水质Co钴质控样10μg/L
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NCSZ-Co-2020(5) 标样/水质Co钴质控样5.0μg/mL
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NCSZ-Co-2020(7) 标样/水质Co钴质控样0.15μg/mL
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水质钴标样,7440-48-4,analytical standard,85.0μg/L,in 1% HNO3
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钴粉,7440-48-4,99.5% metals basis,300目
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