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SKU: WQC-PH-7-500

pH Standard 7 at 25ºC at 7.00 units in H2O (500 mL)

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• Brand HPS
• Matrix H2O
• Raw Material Two 9s as available; no purification
• Certification Single: Grav. w/multiple Analytical Confirmation

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SKU: WQC-PH-10-500

pH Standard 10 at 25ºC at 10.00 units in H2O (500 mL)

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• Brand HPS
• Matrix H2O
• Raw Material Two 9s as available; no purification
• Certification Single: Grav. w/multiple Analytical Confirmation

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SKU: WQC-ALK-500

Calcium Carbonate Alkalinity Standard at 1,000 µg/mL in H2O (500 mL)

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• Brand HPS
• Matrix H2O
• Concentration 1,000 µg/mL
• Raw Material Five 9s as available; no purification
• Certification Single: Gravimetric w/ICP Confirmation

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SKU: SB-HCL

Subboiling Distilled Hydrochloric Acid, Trace Metals Grade

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• Brand HPS
• Certification Single: Gravimetric

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SKU: RB-MMA-1

Mixed Mineral Acid 2% HNO3 + 0.5% HF Reagent Blank

• CCL

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• Brand HPS
• Certification Single: Gravimetric
• Matrix 2% HNO3 + 0.5% HF

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SKU: PEI-193

Fluoride Drinking Water Inorganic Standard

• CCL

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• Brand NSI
• Raw Material >95% min; as available
• Certification Single: Gravimetric w/IC Confirmation

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SKU: PEI-142

Corrosivity Drinking Water Inorganic Standard

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• Brand NSI
• Raw Material >95% min; as available
• Certification Single: Grav. w/Analytical Confirmation

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SKU: PEI-141

Orthophosphate Drinking Water Inorganic Standard

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• Brand NSI
• Raw Material >95% min; as available
• Certification Single: Gravimetric w/IC Confirmation

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SKU: PEI-140

Nitrite Drinking Water Inorganic Standard

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• Brand NSI
• Raw Material >95% min; as available
• Certification Single: Gravimetric w/IC Confirmation

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SKU: MIC-009

Quantitative Enterococcus Microbiological Drinking Water Standard

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• Brand NSI
• Raw Material <2 passages from primary culture
• Certification Cultural based enumeration

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SKU: 1044

3-Nitrotoluene

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• Brand NSI
• Raw Material >95% min
• Certification Gravimetric and/or Volumetric

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SKU: 1036

Endrin ketone

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• Brand NSI
• Raw Material >95% min
• Certification Gravimetric and/or Volumetric

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