Purpose:

GD-259 Water Solubility Acid and Alkali Tester is designed and made as per GB/T 259 "Test Methods for Water Soluble Acid and Alkali of Petroleum Products".

It is suitable to determine water soluble acid and alkali in the liquid petroleum products, additive, lubricating grease, wax, and waxy products.

The instrument use distillated water or alcohol extract water soluble acid and alkali. Then use methyl orange or phenolphthalein indicator to check color of extracted liquids, or use an acidometer to determine pH of extracted liquids, so as to detect whether there is water soluble acid and alkali exist.

Technical parameters

1. Power supply: AC 220V±10%, 50 Hz;

2. Heating power: 100W~1000W;

3. Acidometer:

(1) Full scale: 0~14.00pH;

(2) Accuracy: ±0.01pH;

4. Separatory funnel: 250 ml;

5. Graduated flask: 100 ml,50 ml;

6. Test tube: Φ18 mm×100 mm;

7. Conical flask: 100 ml;

8. Ambient temperature:  -10°C~+35°C;

9. Relative humidity: ≤85%;

10. Total power consumption: not more than 1200 W

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