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HI70038C - 6.44 g/l (ppt) TDS@25°C Zert. - 25x20ml
1 × ฿2,033.00
Subtotal: ฿4,494.00
TDS (total dissolved substances) solution 1382 mg / L (ppm) for calibration with certificate of analysis.
Individual portions – convenient & always fresh & no contamination risk.
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