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HANNA Instruments 低/中濃度餘氯化學測試組(200劑測試) HI38018
Free Chlorine Low and Medium Range Test Kit with Checker Disc- HI38018
HANNA Instruments 鹽酸 0.01N, 1L HI70462
Hydrochloric Acid 0.01N, 1L - HI70462
HANNA Instruments 海水鹽度測試筆 HI98319
Marine Salinity Waterproof Tester - HI98319
HANNA Instruments pH測試筆 HI98127
pHep®4 pH/Temperature Tester - HI98127
KIMBLE 平口取樣瓶 內塞式塑膠蓋
Vial, Shell, Open Bottom Titeseal Closure