Assertion: phosphoric acid's p | /r/HasProperty | 16 ppm cd
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Source sentences:
text: Morocco phosphate-based crude phosphoric acid containing 30% P 2 O 5 (16 ppm Cd) was allowed to drop through the column at a dropping velocity of about 1 bed volume/hour and the cadmium content in the effluent matter was determined after 0.5 liter, 1 liter, 1.5 liters and 2 liters, respectively, had been dropped through.