Natural Water Standard Solution, 30 ppm Total Dissolved Solids (TDS), 500 mL
Natural Water Standard Solution, 30 ppm Total Dissolved Solids (TDS), 500 mL
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Conductivity standard solutions for laboratory and field analysesNatural Water Standard Solution, 40% sodium sulfate/40% sodium bicarbonate/20% sodium chloride. TDS: 30 ppm ±0.3 ppm, Conductivity: 46.7 µS/cm ±0.5 µS/cm at 25°C. 500 mL bottle.
