Padrões de Referência

Reagecon

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Buffer Solution pH6.00 ±0.01 20 °C (REA1060)

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Buffer solution pH6.80 ± 0.01 @ 20°C (REA1068)

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Potassium chloride, 0.1 M (REA1069101)

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Buffer solution pH7.00 ± 0.01 @ 20°C (REA1070)

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Buffer solution pH7.00 ± 0.01 @ 20°C (REA1070)

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Buffer solution pH7.00 ± 0.01 @ 20°C (REA1070)

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Colour Standard Platinum Cobalt 10 (10 Hazen units) (REAHAZ10)

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Analytical volumetric solution hydrochloric acid 0.02N 0.02M (REAHB200210)

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Analytical volumetric solution mercury (II) nitrate (REAHGN20015)

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Hydrogen Peroxide 0.3% W/V (REAHP035)

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