HI70038P - 6.44 g/l (ppt) TDS@25°C - 25x20ml
Product information "HI70038P - 6.44 g/l (ppt) TDS@25°C - 25x20ml"
TDS (total dissolved solids) solution 6:44 g / L (ppt) for calibration. Individual portions - and virtually always fresh & no contamination risk.