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Standards

Meeting regulations in any industry, standards are essential for periodically checking the accuracy of equipment pieces. By comparing against the known values, output readings detect errors present and inform personnel adjustments are required. Once the settings of the manual or automatic instruments have returned to zero, the reestablished conditions will yield optimal working performance. Calibrating with concentrated standards eliminates the possibility that environmental changes will induce instrumental miscalculation when accuracy matters most.

Chlorate (ClO₃)- Single-Element Ion Anion Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Chlorate (ClO₃)- Single-Element Ion Anion Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Supplier: VWR International

Ion chromatography & ion selective electrode (ISE) standard.

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Calcium (Ca2+) Single-Element Ion Cation Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Calcium (Ca2+) Single-Element Ion Cation Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Supplier: VWR International

Ion chromatography & ion selective electrode (ISE) standard.

Expand 1 Items
 
VWR® ARISTAR® Multi-Element ICP and ICP-MS Certified Reference Standards, Enhanced Packaging

VWR® ARISTAR® Multi-Element ICP and ICP-MS Certified Reference Standards, Enhanced Packaging

Supplier: BDH

Stock multi-element ICP and ICP-MS blends can be found grouped for stability and ease of use as well as commonly used Certified Reference Materials (CRMs) recommended by many instrument manufactures

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Nitrate-Nitrogen Single-Element Ion Anion Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Nitrate-Nitrogen Single-Element Ion Anion Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Supplier: VWR International

Ion chromatography & ion selective electrode (ISE) standard.

Expand 2 Items
 
Phosphate  (PO₄3-) Single-Element Ion Anion Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Phosphate (PO₄3-) Single-Element Ion Anion Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Supplier: VWR International

Ion chromatography & ion selective electrode (ISE) standard.

Expand 2 Items
 
Fluoride (F)- Single-Element Ion Anion Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Fluoride (F)- Single-Element Ion Anion Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Supplier: VWR International

Ion chromatography & ion selective electrode (ISE) standard.

Expand 2 Items
 
Bromide (Br-) Single-Element Ion Anion Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Bromide (Br-) Single-Element Ion Anion Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Supplier: VWR International

Ion chromatography & ion selective electrode (ISE) standard.

Expand 2 Items
 
Nitrite-Nitrogen Single-Element Ion Anion Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Nitrite-Nitrogen Single-Element Ion Anion Standard, 1,000 µg/ml (1,000 ppm), VWR Chemicals BDH®

Supplier: VWR International

Ion chromatography & ion selective electrode (ISE) standard.

Expand 2 Items
 
Ion Chromatography (IC) Anion and Cation Check Standards, VWR Chemicals BDH®

Ion Chromatography (IC) Anion and Cation Check Standards, VWR Chemicals BDH®

Supplier: VWR International

Ion chromatography (IC) is an analytical process for the separation of ions based on charge affinity. IC can be used for a variety of different kinds of charged analytes from single elements to large proteins.

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