Myron L Company 3,000 ppm 442 Natural Water™ Standard Solution for Salinity and TDS Calibration, 32 oz. Bottle
Stock No.: 76250
Availability: Ships in 1-2 weeks
“442” refers to the combination of salts mixed with deionized water to comprise this standard: 40% sodium sulfate, 40% sodium bicarbonate, 20% sodium chloride.
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