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Polyacrylic Acid Sodium Salt (PAAS) CAS No. 9003-04-7 Structural Formula: Properties: PAAS is innoxious and soluble in water, it can be used in situations of alkaline and high concentration without scale sedime...
Digital PH Water Meter , Aquarium Pool Water Test Pen Ph meter AH-3020 digital type with the batteries high quanlity Quick Detail: 1) test PH value; 2) LCD display; 3) accuracy +/-0.02 4) easy operation and tak...
High Accuracy Pen Type PH Water Meter , Chlorine Test ph water meter AH-3020A digital type with the batteries high quanlity Quick Detail: 1) test PH value; 2) LCD display; 3) accuracy +/-0.02 4) easy operation ...
-1800 - 1800 Mv Digital PH Water Meter Pen For Fish Tank ph water meter AH-3020A digital type with the batteries high quanlity Quick Detail: 1) test PH value; 2) LCD display; 3) accuracy +/-0.02 4) easy operati...