99 parts
Sale Price:$333.00
Original Price:$999.00
sale
Triturate 1 part of xylenol orange with 99 parts of potassium nitrate. Complies with the following test. SENSITIVITY - Add 50 mg to a mixture of 50 ml of water, 1 ml of 2 M acetic acid and 0.05 ml of lead nitrate solution.
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