愛地;   Aluminum hydroxide慢分 is generally used as a flame ret員地ardant additive in ind時讀ustry. However, with the continu討秒ous development of scien數慢ce and technology, new water tr那西eatment agents continue to b放睡ring forth new ones.事報 Some water treatment agents s筆道uch as polyaluminum chloride, alum輛用inum sulfate, aluminum ferric s通門ulfate are gradually used to treat dr老新inking water purification, sew事就age treatment, wastewater 子體treatment and water treatment in cit廠明ies and industries. One of 科離the important raw mate遠懂rials of these water treatment 如新agents is aluminum hydroxide.

     &信兒nbsp;  In Ch音暗ina, the test standard for a分很luminum hydroxide is子爸 GB / T 4294-2010 aluminum和視 hydroxide, but the s業老tandard is mainly for風資mulated for the product森內ion of inorganic alumi視司num salts, flame retardant fill你為ers and special alum的書ina products. Therefore, i愛做f it is used as raw material for 現明water treatment agent, it 藍南is obvious that the s錯腦tandard is not applicable. T玩短herefore, after comprehensive inves制花tigation of various opinions, the state她身 issued Hg / T 5567-2019 alumi日工num hydroxide for water tre子公atment agent. It can be said that兒術 Hg / T 5567-2019, from the p鐘也rofessional level, has carried o自喝ut the specification requir身窗ements for various in工相dicators of aluminum hydroxide員南 for water treatment agent, so it is au花月thoritative.

      錢媽  Requirem裡兵ents for testing items of aluminum h樂下ydroxide for water treatme笑黑nt agent

      也看;  1. Alumina content detec樹還tion requirements: ≥ 64.0雨人%
      地妹;  2. Alumina暗司 dissolution rate detecti市他on requirements: type I requireme相愛nts ≥ 95%, type II can not be measured窗白
     &計鄉nbsp;  3. Wat議照er content detection requirements:事一 type I requirements ≤ 12.0%商內, type II requirements ≤ 6.0%
     &nb不兒sp;  4. Total iro區購n content detection requirements ≤ 雪知0.01%
      土窗  5. Arsenic content detectio得志n requirements: ≤ 0.0002%
      務火;  6. Detection requirements光站 of lead content: ≤ 車通0.001%
   &nb美上sp;    7. Cadm來短ium content detection requirement黃是s: ≤ 0.0002%
      離一  8. Mercury 放門content detection requirements: ≤ 0.0森的0002%
   &nbs讀算p;    9. Chro匠煙mium content detection requirements黃到: ≤ 0.001%

      票業;  In additio火就n to the above testing requiremen著鄉ts, the appearance color of 西為aluminum hydroxide for water t信科reatment agent shall be又秒 white or yellowish, 我新and the property shall be powder 照在or sand crystal. Moreover, al線現uminum hydroxide for water treatm在朋ent agent belongs to 暗分strong acid and alkali corros月身ive products. We must pay at草腦tention to protection w東短hether we are preparing朋北 samples or doing testing.
    &n一在bsp;    &著微nbsp;  

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