HANNA HI70004C pH 4.01 校准溶液 (25 x 20 mL)

Accuracy of +/- 0.01 pH @ 25°C

Included: (25 x 20 mL) Sachets

Supplied with Certificate of Analysis

  • 质量承诺
  • 正品保修
  • 送货到家
  • 交易简单化