Mix-4 in Dichloromethane
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USP1287450 | 见证书
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ZW-VHG-OY-1000-A-50g | 见证书
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FE-GBW(E)010188 | 见证书
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FE-GBW(E)010189 | 见证书
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FE-GBW(E)010190 | 见证书
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ICP Calibration Standard - Sewage Sludge HNO3
IV-STOCK-11-125mL | 见证书
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T22502-500-VN | 0.04mol/L
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BW80120-500ml | pH=12.46
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4-Bromofluorobenzene in Methanol
BePure-20741L2.5M-10mL | 25µg/mL
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Chlorinated paraffins C18-C20,52%Cl in Cyclohexane
BePure-29361YC-1.2mL | 1000µg/mL
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Chlorinated paraffins C18-C20,52%Cl in Cyclohexane
BePure-29361XC-1.2mL | 100µg/mL

4种校准标准液混标