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Proficiency Testing Standards

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Description:   HARDNESS WASTEWATER QC SAMPLE 500 ML
Catalog Number: SX507
Supplier: SPEX CERTIPREP LLC



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Description:   Flame AA Trace Metals QC Sample, 24 mL. One 24 mL screw-cap vial, preserved with HNO3, yields up to 500 mL after dilution, Appearance Solution in Bottle
Catalog Number: SX508
Supplier: SPEX CERTIPREP LLC



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Description:   Chlorinated Acid Herbicides QC Sample, 2 mL, One 2 mL flame-sealed ampule yields up to 2 liters after dilution, Contains a subset of the analytes in the components list, AppearanceSolution in Bottle
Catalog Number: SX718
Supplier: SPEX CERTIPREP LLC



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Description:   Complex Nutrients (Hard Water), one 15 mL screw cap vial yields up to 2 liters after dilution, Appearance: Solution in bottle, Volume: 15 mL
Catalog Number: SX1241
Supplier: SPEX CERTIPREP LLC



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Description:   ICP Trace Metals QC Sample, 500 mL, one 500 mL whole volume standard, preserved with HNO3 and HCl, is ready to use, Appearance Solution in Bottle
Catalog Number: SX524
Supplier: SPEX CERTIPREP LLC



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Description:   FLUORIDE QC SAMPLE IN IMPINGER SOLUTION
Catalog Number: SX1141
Supplier: SPEX CERTIPREP LLC



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Description:   Nutrients Wastewater QC Plus Sample, 2 x 23 mL vials, yields up to 2 L each after dilution QC Sample, Appearance: Solution in Bottle
Catalog Number: SX4023
Supplier: SPEX CERTIPREP LLC



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Description:   Bromide & Bromate Disinfection QC Sample, one 23 mL screw cap vial yields up to 4 L after dilution, Appearance: Solution in Bottle
Catalog Number: SX5262
Supplier: SPEX CERTIPREP LLC



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Description:   HYDROGEN HALIDES / HALOGENS QC SAMPLE
Catalog Number: SX1140
Supplier: SPEX CERTIPREP LLC



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Description:   UCMR 2 Herbicide Degradates in Water, yields up to 2 L after dilution, Appearance: Solution in bottle, Volume: 2ml ampule
Catalog Number: SX155
Supplier: SPEX CERTIPREP LLC



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Description:   Perchlorate Drinking Water QC Sample, One 15 mL screw-cap vial yields up to 2 liters after dilution, Appearance: Solution in bottle, Volume: 15 mL
Catalog Number: SX910
Supplier: SPEX CERTIPREP LLC



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Description:   UV 254 Absorbance Drinking Water QC Sample, yields up to 1 L after dilution, Appearance: Solution in bottle, Volume: 15 mL vial
Catalog Number: SX662
Supplier: SPEX CERTIPREP LLC



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Description:   Chlorate & Chlorite Disinfection QC Sample, 23 mL, one 23 mL screw cap vial yields up to 4 L after dilution, The diluted standard will contain chlorate at 60 to 180 ug/L, AppearanceSolution in Bottle
Catalog Number: SX5272
Supplier: SPEX CERTIPREP LLC



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Description:   Fluoride QC Plus QC Standard, One screw-cap vial yields up to 2 liters after dilution, 2 mL, Appearance: Solution in Bottle
Catalog Number: SX4423
Supplier: SPEX CERTIPREP LLC



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Description:   Volatiles in Soil, Ready-to-Use, 20 mL. One 20 mL flame-sealed ampule containing 10 g of soil and 10 mL of methanol is ready to analyze. Includes a subset of the analytes in the components list, Appearance Solution in Bottle
Catalog Number: SX924
Supplier: SPEX CERTIPREP LLC



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Description:   Toxaphene Drinking Water QC Sample, 2 mL ampule, yields up to 2 L after dilution, Appearance: Solution in Bottle
Catalog Number: SX700
Supplier: SPEX CERTIPREP LLC



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