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cis-5,8,11,14,17-Eicosapentaenoic acid methyl ester certified reference material, 10 mg/mL in heptane, ampule of 1 mL Item Number: CRM47571 Unit of Measure: 1 X 1 mL 46.50 CHF 46.5 CHF 24 in stock	EPA 8270 Ether/Phthalate Mix certified reference material, TraceCERT® Item Number: CRM47643 Unit of Measure: 1X1EA 68.00 CHF 68.0 CHF Current delivery time on request	CARB Carbonyl-DNPH Mix 1, certified reference material, in acetonitrile (varied conc.), ampule of 1 mL Item Number: CRM47649 Unit of Measure: 1X1EA 81.30 CHF 81.3 CHF Current delivery time on request	CARB Method 1004 DNPH Mix 2 certified reference material, 30 μg/mL in acetonitrile (as the aldehydes & ketones)), ampule of 1 × 1 mL Item Number: CRM47651 Unit of Measure: 1 X 1 pkg 86.60 CHF 86.60000000000001 CHF Current delivery time on request
Dichloroacetic acid solution certified reference material, 1000 μg/mL in methyl tert-butyl ether, ampule of 1 mL Item Number: CRM47657 Unit of Measure: 1X1EA 36.20 CHF 36.2 CHF Current delivery time on request	Carbonyl-DNPH Mix 2 certified reference material, in acetonitrile (as aldehydes and ketones; varied conc.), ampule of 1 mL Item Number: CRM47671 Unit of Measure: 1 X 1 mL 98.10 CHF 98.10000000000001 CHF Current delivery time on request	Carbonyl-DNPH Mix 1 certified reference material, in acetonitrile (varied conc.), ampule of 1 × 1 mL Item Number: CRM47672 Unit of Measure: 1 X 1 pkg 90.00 CHF 90.0 CHF Current delivery time on request	Linoleic Acid Methyl Ester Mix cis/trans, certified reference material, 10 mg/mL in dichloromethane Item Number: CRM47791 Unit of Measure: 1 X 1 mL 82.90 CHF 82.9 CHF Current delivery time on request
Linolenic Acid Methyl Ester Isomer Mix certified reference material, 10 mg/mL in dichloromethane, ampule of 1 mL Item Number: CRM47792 Unit of Measure: 1 X 1 mL 97.90 CHF 97.9 CHF Current delivery time on request	Grain FAME Mix certified reference material, in dichloromethane, ampule of 1 mL Item Number: CRM47801 Unit of Measure: 1 X 1 mL 84.80 CHF 84.8 CHF Current delivery time on request	Supelco 37 Component FAME Mix certified reference material, TraceCERT®, in dichloromethane (varied conc.), ampule of 1 mL Item Number: CRM47885 Unit of Measure: 1 X 1 pkg 138.00 CHF 138.0 CHF Current delivery time on request	EPA 501/601 Trihalomethanes Calibration Mix certified reference material, TraceCERT®, 100 μg/mL each component in methanol, ampule of 1 mL Item Number: CRM47904 Unit of Measure: 1 X 1 pkg 36.50 CHF 36.5 CHF 67 in stock
EPA 8270 Semivolatile Internal Standard Mix High Concentration, certified reference material, 4000 μg/mL each component in methylene chloride: benzene (1:1), ampule of 1 mL Item Number: CRM47906 Unit of Measure: 1 X 1 mL 120.00 CHF 120.0 CHF Current delivery time on request	EPA 8270 Organophosphorus Pesticide Mix 2 certified reference material, 2000 μg/mL each component in dichloromethane, ampule of 1 mL Item Number: CRM47908 Unit of Measure: 1 X 1 mL 86.60 CHF 86.60000000000001 CHF Current delivery time on request	QTM PAH Mix certified reference material, 2000 μg/mL each component in dichloromethane, ampule of 1 mL Item Number: CRM47930 Unit of Measure: 1 X 1 mL 120.00 CHF 120.0 CHF Current delivery time on request	EPA 502/524 Volatiles Organic Calibration Mix A (without gases) certified reference material, 200 μg/mL each component in methanol, ampule of 1 mL Item Number: CRM47933 Unit of Measure: 1 X 1 mL 91.50 CHF 91.5 CHF Current delivery time on request
PAH Calibration Mix TraceCERT®, certified reference material, 10 μg/mL each component in acetonitrile Item Number: CRM47940 Unit of Measure: 1 X 1 pkg 69.30 CHF 69.3 CHF 87 in stock	1,1,2-Trichloro-1,2,2-trifluoroethane solution, certified reference material, TraceCERT(R), 2000 mug/mL in methanol, pkg of 1 mL Item Number: CRM47944 Unit of Measure: 1X1EA 35.10 CHF 35.1 CHF Current delivery time on request	Ethylene oxide solution certified reference material, 2000 μg/mL in dichloromethane, ampule of 1 mL Item Number: CRM47949 Unit of Measure: 1 X 1 mL 62.50 CHF 62.5 CHF 46 in stock	EPA 8270 Surrogate Standard certified reference material, TraceCERT®, 4000 μg/mL each component in dichloromethane Item Number: CRM47960 Unit of Measure: 1 X 1 pkg 129.00 CHF 129.0 CHF 20 in stock

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