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Merck
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EPA 8270半挥发性内标混标 certified reference material, 2000 μg/mL each component in methylene chloride, ampule of 25 mL

EPA 8270半挥发性内标混标

EPA 8270半挥发性内标混标 certified reference material, 2000 μg/mL each component in methylene chloride, ampule of 25 mL

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CRM46955

EPA 8270半挥发性内标混标, certified reference material, TraceCERT®, 2000 μg/mL each component in methylene chloride, ampule of 1 mL

CRM48902

EPA 8270半挥发性内标混标, certified reference material, TraceCERT®, 2000 μg/mL each component in methylene chloride, ampule of 2 × 1 mL

CRM5M07296

EPA 8270半挥发性内标混标, certified reference material, TraceCERT®, 2000 μg/mL each component in dichloromethane, ampule of 5 × 1 mL

CRM47906

EPA 8270半挥发性内标混标, High Concentration, certified reference material, 4000 μg/mL each component in methylene chloride: benzene (1:1), ampule of 1 mL

46866-U

EPA 8270半挥发性内标混标, certified reference material, 2000 μg/mL each component in methylene chloride, ampule of 25 mL