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HANNA Instruments PAO校正液 0.00564N HI70471
Phenylarsine Oxide (PAO) Solution (0.000564N), 500 mL - HI70471
HANNA Instruments COD分析儀 - 僅儀器 HI97106
Chemical Oxygen Demand Portable Photometer - HI97106
HANNA Instruments 燒瓶/長頸瓶用pH電極 - BNC HI1331B
Refillable pH Electrode for Flasks with BNC Connector - HI1331B
KIMBLE 自動滴定管B級附溢流管 PTFE活栓
Automatic, with Three-Way PTFE Stopcock
HANNA Instruments 水硬度化學測試組(100劑測試) HI38033
Total Hardness Test Kit - HI38033
KIMBLE 螺蓋樣本瓶
Vial, EPA Water Analysis, Screw Thread, without Closure
HANNA Instruments 平面pH電極 - BNC HI1413B
Flat Tip pH Electrode for Skin and Surfaces with BNC Connector - HI1413B
HANNA Instruments 中濃度鐵離子化學測試組(100劑測試) HI38040
Iron (Fe²⁺ & Fe³⁺) Medium Range Checker Disc Chemical Test Kit - HI38040
HANNA Instruments HALO2防水牛奶pH測試筆 HI9810342
HI9810342 HALO2 pH Meter for Milk
HANNA Instruments 高濃度二氧化矽化學測試組(100劑測試) HI38067
Silica Chemical Test Kit - HI38067
