Gongyi Filter Industry Co., Ltd.

PAC (polyaluminum chloride) concentration of the determination of what?

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2017-12-07 13:36:36

To a certain amount of slag crushed, weighed m1 grams 2: (m2 × 102 & # 47, filtered, washed residue, to the filtrate dropwise ammonia until precipitation no longer formed, the container three times, the lotion also poured into the filtrate .6; 156) / m1 × 100% = Al2O3 percentage, the sample with a sufficient amount of 0, a large amount of hydrochloric acid solution was added until the precipitate was completely dissolved. 5, the precipitate was filtered out and rinsed with deionized water three times, fully weighed to obtain the weight of dry m2 obtained is dried Al (OH) 32Al (OH) 3 - Al2O378 × 2 102Al2O3 content 1, weighed .1mol NaOH solution treatment 3.4