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Proficiency Testing Standards

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Description:   Total Phenolics Wastewater QC Sample, 2 mL ampule, yields up to 2 L after dilution, Analyze for total phenolic compounds by 4-AAP methods, AppearanceSolution in Bottle
Catalog Number: SX515
Supplier: SPEX CERTIPREP LLC



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Description:   Nitrite Wastewater QC Sample, One 15 mL screw-cap vial yields up to 2 liters after dilution, Appearance: Solution in bottle, Volume: 15 mL
Catalog Number: SX770
Supplier: SPEX CERTIPREP LLC



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Description:   Total Residual Chlorine Wastewater QC Sample, 2 mL ampule, yields up to 2 L after dilution, Use with titrimetric or colorimetric methods, AppearanceSolution in Bottle
Catalog Number: SX501
Supplier: SPEX CERTIPREP LLC



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Description:   Cyanide and Phenol Wastewater QC Sample, 15 mL vial, yields up to 2 L after dilution, Appearance: Solution in bottle, Volume: 15 mL
Catalog Number: SX502
Supplier: SPEX CERTIPREP LLC



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Description:   Acids Wastewater QC Sample, One 2 mL flame-sealed ampule yields up to 2 liters after dilution. Contains a subset of the analytes in the components list,Appearance: Solution in bottle, Volume: 2ml
Catalog Number: SX712
Supplier: SPEX CERTIPREP LLC



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Description:   Residual chlorine QC Sample, 2 mL, one 2 mL flame sealed ampule yields up to 2 L after dilution, Appearance: Solution in Bottle
Catalog Number: SX593
Supplier: SPEX CERTIPREP LLC



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Description:   Silica Drinking Water QC Sample, 60 mL, One 60 mL poly bottle yields 1 liter after dilution, Appearance: Solution in Bottle
Catalog Number: SX785
Supplier: SPEX CERTIPREP LLC



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Description:   pH QC Plus QC Standard, One 250 mL whole-volume bottle is ready to analyze, Appearance: Solution in bottle, Volume: 250 mL
Catalog Number: SX4063
Supplier: SPEX CERTIPREP LLC



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Description:   Heterotrophic plate count, Each sample is one lyophilized standard containing a Heterotrophic bacteria present in the range 5-500 CFU/mL or MPN/mL, Appearance: Solution in Bottle
Catalog Number: SX79
Supplier: SPEX CERTIPREP LLC



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Description:   Aluuminum QC Sample
Catalog Number: SX4412
Supplier: SPEX CERTIPREP LLC



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Description:   Complex Nutrients Wastewater QC Sample, 15 mL vial, yields up to 2 L after dilution, Appearance: Solution in bottle, Volume: 15 mL
Catalog Number: SX525
Supplier: SPEX CERTIPREP LLC



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Description:   Total Organic Halides Wastewater QC Sample, 2 mL ampule, yields up to 2 L after dilution, Analyze for total organic halides with adsorption pyrolysis titrimetric methods, AppearanceSolution in Bottle
Catalog Number: SX670
Supplier: SPEX CERTIPREP LLC



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Description:   HARDNESS DRINKING WATER QC SAMPLE 250 ML
Catalog Number: SX693
Supplier: SPEX CERTIPREP LLC



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Description:   Inorganic Minerals Drinking Water QC Sample, bottle, ready to analyze, Appearance: Solution in bottle, Volume: 500 mL
Catalog Number: SX698
Supplier: SPEX CERTIPREP LLC



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Description:   Trace Metals Wastewater QC Sample, 15 mL vial, yields up to 1 L after dilution. Use with AA, ICP-OES or ICP-MS and selected colorimetric methods, Appearance Solution in Bottle
Catalog Number: SX500
Supplier: SPEX CERTIPREP LLC



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Description:   Oil & Grease Wastewater QC Sample, 1 L. One liter whole-volume glass bottle with a 43-400 thread is ready to analyze, Appearance Solution in Bottle
Catalog Number: SX818
Supplier: SPEX CERTIPREP LLC



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