Standard Cell Solution for Hach pHD Differential pH and ORP Sensors, packaged in resealable 500 mL bottle. Used to replenish standard cell chamber while replacing salt bridge.
適用於 Hach pHD 差分 pH 和 ORP 感測器的標準溶液

關鍵字 : 水中 pH 緩衝溶液, 鹽橋液