HANNA HI7032L 水分析检定溶液 1382 mg / L(ppm),(500mL)

The H7032L is a high quality standardized TDS 1382 mg / L (ppm) calibration solution together with a calibrated conductivity meter with NIST SRM 2202 (Standard Reference Material) in reducing water. ion used in analysis according to ISO 3696 / BS3978.

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