Padrões de Referência

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Calcium standard solution alcoholic (400 ppm Ca) (REA5000802C)

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Chromium standard solution (100 ppm Cr) (REA5001000)

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Ferrocyanide standard solution (100 ppm Fe) (REA5001200C)

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Nickel standard solution (10 ppm Ni) (REA5002000C)

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Potassium standard solution (100 ppm K) (REA5002400C)

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Buffer pH4.00 (Red) ± 0.01 @25°C (REA504025C)

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pHBuffer Solution pH6.00±0.01 @25°C MeCury Free (REA506025MF)

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Buffer solution pH11.00 ± 0.05 @25°C (REA511025)

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ASTM Colour Standard <0.5 (REAASTMA051)

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ASTM Colour Standard Sample A3 (REAASTMA305)

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