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ERA QC Standards

Quality control standards are a critical tool in verifying the accuracy of analysis. Spex® provides QC standards for many types of analyses including conductivity, turbidity, ion chromatography or analytes in native matrices.

Component

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Concentration

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Matrix

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Volume

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Volume

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915

915

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044

044

Ammonia as Ammonia (NH3), 1,000 µg/mL

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543

543

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711

711

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919

919

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5262

5262

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769

769

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760

760

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707

707

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908

908

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042

042

Chemical Oxygen Demand (COD), 1,000 µg/mL in H2SO4

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676

676

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