检测水的碱度
Titrator: TL 6000-M2/20 or TL 7000-M2/20 consists of? Basic device? Magnetic stirrer TM 235? 20 mL exchange unit WA 20, with brown glass bottle for titrant complete? pH combination electrode with integrated temperature sensor (A 162 2M-DIN-ID, N 1052 A, BL 18…)