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    当前所在页面位置: 首页 > jn体育app下载 activated carbon
    activated carbon
    浏览量:218 | 回复:0 | 发布时间:2018-05-07 08:46:16

    活性炭

    Activated charcoal

     

    Cas       7440-44-0        MDL:       --MFCD00133992

    Beilstein                    EINECS:   --231-153-3

    分子式     C

    分子量     12.01

    别名         活性碳,活性炭黑,活性炭粉,活性炭颗粒

    Charcoal activated

    Carbon amorphous

    Carbon black

    Carbon active

    Activated carbon

    Activated charcoal

    Activated char

    Carbon Amorphous

    分子结构式    

    性状         黑色无定形粒状物或细微粉末。无臭。无味。无砂性。不溶于任何溶剂。对各种气体有选择性的吸附能力,对有机色素和含氮碱有高容量吸附能力。每g总表面积可达500-1000m平方。

    质量标准        

            试剂级活性炭:

     

    HG/T 3-1290-80

    项目                                             分析纯             化学纯

    Item                                               AR                CP

    亚甲基蓝检测Methylene blue absorbance           passes test        passes test

    pH(50g/L.solution,25)                         5.07.0         4.57.5

    酸溶性Soluble in hydrochloric acid              0.8%             2.0%

    醇溶性Soluble in ethanol                        0.2%             0.2%

    干燥失重Drying loss.                            0.1%             0.015%

    灼烧残渣lgnition residue(as Sulfate)            2.0%             3.0%

    氯化物Chloride(Cl)                              0.025%           0.10%

    硫化物Sulfur compounds(as Sulfate)              0.10%            0.15%

    Iron(Fe)                                      0.02%            0.10%

    Zinc(Zn)                                      0.05%            0.10%

    重金属Heavy metals(as Pb)                       0.005%           0.01%

    电镀脱色专用活性炭:

    材质From                                       果壳或木质

    水份water%                                     15

    Fe%                                          0.1 

    氯化物Chloride%                                0.05

    重金属Heavy Metal %                            0.01

    Zn %                                          

    酸碱度PH                                       7

    碘值Iodine value mg/g                          900

    表面积Surface area m2/g                        ~1000

    亚甲基蓝吸附值Methylene blue adsorption        105±10mg/g

    催化剂载体专用(触酶载体)活性炭:

    材质From                                       椰壳

    粒度Granularity                                8-18()

    水分Water%                                     5.0

    强度Strength%                                  95

    酸碱度PH                                       7.0

    表观密度Apparent densitycm3/g                  0.45-0.55

    碘吸附值Iodine adsorption value(mg/g)          900-1050

    灰份Ash%                                       3.0

    比表面积Surface area M2/g                      1100

    总孔容积The total pore volume cm2/g            0.9

    微孔容积Micropore volume cm2/g                 0.48

    着火点Ignition point                         450

    四氯碳吸附率CCl4 adsorption rate%              60-70

    药用脱色专用:

    粒度()                                      200

    水份Water%                                    10

    Fe%                                         0.05 

    氯化物Chloride%                               0.1

    重金属Heavy Metal%                            0.003 

    Zn %                                        0.02

    酸碱度PH                                      4.5-7.5 

    酸溶物Acid-soluble material %                 1.0

    灰份Ash %                                     3.0

    亚甲基蓝吸附值Methylene blue adsorptionmg/g   195  

    净水或气体纯化专用(for the purification of functional fluids):

    (应用于生活饮用水,医药用纯水,电子工业高纯水的净化,脱色,精制)

    粒度()                                      10-24

    比表面积Surface area m2/g                     1100±50

    总孔容积The total pore volume cm3/g           0.90

    微孔容积Micropore volume cm3/g                0.50

    表观密度Apparent density                      0.45-0.55

    着火点℃                                      450

    水分Water%                                    15

    强度Strength%                                 95

    酸碱度PH                                      7

    碘吸附值Iodine adsorption value(mg/g)         900-1100

    苯酚吸附Phenol adsorption(mg/g)               150

    四氯化碳吸附率Adsorption rate of carbon tetrachloride%                                50-70

     

     

    食品糖类专用活性炭:

    (去除食品或糖类中的色素及其前驱物质)

     

    粒度()                                      200

    比表面积Surface area m2/g                     1200

    总孔容积The total pore volume cm3/g           0.95

    中孔容积The pore volume cm3/g                 0.25

    水分Water%                                    15.0

    Fe%                                         0.15

    氯化物Chloride%                               0.35

    %                                           0.15

    酸溶物Acid-soluble material%                  2.0

    重金属Heavy Metal%                            0.01

    酸碱度PH                                      3.0-6.0

    灰份Ash%                                      6.0

    焦糖脱色Decolorization%                       90

    亚甲基蓝吸附值Methylene blue adsorption(mg/g)225

    贮存         密封干燥保存。

    用途         脱色及过滤,使带色液体脱色,吸收各种气体与蒸气。色谱分析用。测甲醇、锡和硅的还原剂。粒状物可用作催化剂的载体。

    联合国编号     1361

    Risk    

    Safety :   S22- S24/25-

    Hazard :          

     

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