Hanna HI-70038P TDS Calibration Solution SachetsThe Hanna HI 70038P TDS Calibration Solution provides a reliable standard for the calibration of TDS (Total Dissolved Solids) meters and conductivity instruments. Each sachet contains a precisely prepared 6. 44 g L (parts per thousand) solution, ensuring consistent and accurate calibration results. The pack includes 25 single use sachets, offering convenient and contamination free calibration, perfect for field or laboratory use. This solution is
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