Use the pipette 0.5 ml of sample solution for taking on the average small 100 ml, triangle added from 1 to 2 drops of indicator substances P.P. and then titrated with standard dd LP. A sample until the switch from color to pink, not bold. The number of ml of the standard solution of LP. A was used was the score of alkalinity (f. Al). Usually a standard score of 30 ± 3 points. To increased 1 point to use about 1 kg LPCLEANER TD-a. 1000L T for the solution.
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