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止水條:講一講為什么遇水膨脹止水條會膨脹
瀏覽: 發布日期:2018-07-27

WEISHENMEYUSHUIPENGZHANGZHISHUITIAOHUIYUSHUIPENGZHANG?

  YUSHUIPENGZHANGZHISHUITIAOSHIYOUXIANGJIAOWEIJICAI,BINGTIANJIANAJIPENGRUNTU、GAOXISHUISHUZHI、ZENGSUJI、

球迷网   ZENGZHANSHUZHI、FANGLAOJIDENGTIANLIAOHUNLIAN、JIYAERCHENG,ERJUEDINGZHISHUITIAOPENGZHANGBEILVDEJIUSHINAJIPENGRUNTU,

  YINWEINAJIPENGRUNTUJUYOUXISHUIPENGZHANGDEGONGNENG。ZAICHONGFENSHUIHUAHUANJINGZHONG,PENGRUNTUDECENGJIANJUZENGDA,XISHUIHOUTIJIKEZENGDA10~30BEI。

  YEJIUSHISHUO,YUSHUIPENGZHANGZHISHUITIAODEPEILIAOZHONGNAJIPENGRUNTUDEFENLIANGJUEDINGLEZHISHUITIAODEPENGZHANGBEILV。

  SHENMESHINAJIPENGRUNTU?

球迷网   PENGRUNTU(Bentonite)SHIYIMENGTUOSHIWEIZHUDEHANSHUIZHANTUKUANG。

  蒙脫石又稱“微晶高嶺石”或“膠嶺石”,是一種層狀含水的鋁硅酸鹽礦物。

  RUHEZHIBEINAJIPENGRUNTU?

  YOUYUMENGTUOSHIYUCa2+XIFUNENGLIBINa+YAOQIANG,SUOYIZIRANJIEZHONGCUNZAIDEPENGRUNTUYIBANWEIGAIJIPENGRUNTU。

  DANSHISHIJIYINGYONGZHONGFAXIANGAIGAIJIPENGRUNTUZHONGDECa2+DEJIAOHUANNENGLIYUANDIYUNa+,YINCIGAIJIPENGRUNTUXUYAOJINGGUONAHUAHOUZHIBEICHENGNAJIPENGRUNTU,ZAITOURUSHICHANGSHIYONG。

  PENGRUNTUNAHUAGAIXINGFADEYUANLISHILIYONGNa+YUAl、MgDEJIEHEQIANGDUDAYUCa2+,TONGGUONa+QUDAIPENGRUNTUCENGJIANDECa2+ERDADAONAHUAGAIXINGDEMUDE。

球迷网   CHANGYONGDENAHUAJIYOUNaF、Na2CO3、NaCl、NaNO3、Na2SO4DENG。

  YANJIUBIAOMING:LIYONGNa2CO3ZUOWEINAHUAJISHI,ZAIQIZUIJIANONGDUWEI4%,NAHUASHIJIANWEI30min,

  SHUIYUWENDUWEI70℃SHI,NAHUACHULIHOUDEPENGRUNTUDENALIZIHANLIANGYOU1.47%TISHENGDAO32%;

  Na2CO3GAIXINGJIDEXIAOGUOYAOYOUYUNaCl,

  JINGGUONa2CO3NAHUAHOUDEPENGRUNTUDEPENGZHANGRONGHEJIAOZHIJIAFENBIETISHENG20mL/gHE200mL/gZUOYOU,

  NAHUAHOUDECHANPINDOUNENGDADAOGONGYEHUASHIYONGDEYAOQIU。

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