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Reagents for the photometric determination of manganese in the range up to 20.0 mg / L. Periodate method.
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Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb
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Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution
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Range 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | Resolution 1 ppb