中文名称:羟基乙叉二膦酸 简称:HEDP,HEDPA
英文名:
CAS No. 2809-21-4
别名:1-羟基有乙叉-1,1-二磷酸;羟基亚乙基二磷酸;水质稳定剂HEDP;1-羟基乙叉-1,1-二磷酸;羟乙二磷酸;羟基乙叉二磷酸HEDP;亚羟乙基二磷酸;阻垢剂HEDP。
分子式: C2H8O7P2
相对分子质量:206.02
结构式:
一、性能与用途
QIANGJIYICHAERLINSUANHEDPSHIGAOXIAODEYIZHONGYOUJILINLEIZUGOUHUANSHIJI,NENGYUTIE、TONG、XINDENGDUOZHONGJINSHULIZIXINGCHENGWENDINGDELUOHEWU,YINCIJUYOUJIAOHAODEZUGOUNENGLI;HEDPHAINENGGOURONGJIEJINSHUBIAOMIANDEYANGHUAWU,YINCIHEDPKEZUOWEIQINGXIJISHIYONG,HEDPGAOCHUNGUTITEBIESHIYONGYUDIANZIXINGYEDEQINGXIJI。QIANGJIYICHAERLINSUANNAIGAOWENXINGNENGHAO,ZAI250℃DEGAOWENXIA,RENGNENGQIDAOLIANGHAODEHUANSHIZUGOUZUOYONG。NAISUANJIANXING、NAILVYANGHUAXINGNENGJIAOQITAYOUJILINSUAN(YAN)ZUGOUHUANSHIJIHAO。KEYUSHUIZHONGJINSHULIZI,YOUQISHIGAILIZIXINGCHENGLIUYUANHUANAOHEWU,YINERJUJIAOHAODEZUGOUXIAOGUOBINGJUMINGXIANDERONGXIANXIAOYING,TAIHESHENGCHANDE50%HANLIANGDEHEDPYETIGAIAOHEZHI450mg/g,FUHEGB/T 26324-2010BIAOZHUN;DANGHEQITASHUICHULIJIFUHESHIYONGSHI,BIAOXIANCHULIXIANGDEXIETONGXIAOYING。
HEDPGUTISHUYUGAOCHUNCHANPIN,SHIYONGYUDONGJIYANHANDIQU;TEBIESHIYONGYUDIANZIXINGYEDEQINGXIJIHERIYONGHUAXUEPINTIANJIAJI。
手机彩票平台
HEDPGUANGFANYINGYONGYUDIANLI、HUAGONG、YEJIN、HUAFEIDENGGONGYEXUNHUANLENGQUESHUIXITONGJIZHONG、DIYAGUOLU、YOUTIANZHUSHUIJISHUYOUGUANXIANDEZUGOUHEHUANSHI;ZAIQINGFANGGONGYEZHONG,KEYIZUOJINSHUHEFEIJINSHUDEQINGXIJI,PIAORANGONGYEDEGUOYANGHUAWUWENDINGJIHEGUSEJI;WUQINGDIANDUGONGYEDELUOHEJI;YILIAOXINGYEZUOFANGSHEXINGYUANSUDEXIEDAIJI,LIRUZAIZHONGLIUJIANCHAGUOCHENGZHONGJINGCHANGYONGDAOHEDP。
二、技术指标 符合GB/T 26324-2010 HG/T 3537-2010
项 目 |
指
标 |
50%液体 |
60%液体 |
固体 |
|
GB/T
26324-2010 |
-- |
HG/T
3537-2010 |
外 观 |
无色或淡黄色透明液体 |
无色或淡黄色透明液体 |
白色结晶颗粒 |
活性组分(以HEDP计)/% |
≥50.0 |
≥60.0 |
-- |
亚磷酸(以PO33-计)/% |
≤2.0 |
≤2.0 |
≤0.8 |
磷酸(以PO43-计)/% |
≤0.8 |
≤0.8 |
≤0.5 |
氯化物 (以Cl-计)/% |
≤0.02 |
≤0.02 |
≤0.01 |
pH值(1% 水溶液) |
1.5-2.0 |
1.5-2.0 |
1.5-2.0 |
密度(20℃)/g·cm-3 |
≥1.36 |
≥1.40 |
-- |
钙螯合值/mg·g-1 |
≥450 |
≥500 |
-- |
铁(以Fe2+计)含量/mg·L-1 |
≤20.0 |
≤20.0 |
≤10 |
活性组份(以HEDP·H2O计)/% |
-- |
-- |
≥97.0 |
三、使用方法
手机彩票平台
ZUOZUGOUJIYIBANSHIYONGNONGDU1~10mg/L,ZUOHUANSHIJIYIBANSHIYONGNONGDU10-50mg/L;ZUOQINGXIJIYIBANSHIYONGNONGDU1000~2000mg/L;TONGCHANGYUJUSUOSUANXINGZUGOUFENSANJIPEIHESHIYONG。ZAIQITAXINGYESHIYONGSHI,YINGGENJUSHIYANQUEDINGYONGLIANG。
四、包装与贮存
HEDP液体用塑料桶包装,每桶30Kg或250Kg;HEDP固体用内衬聚乙烯袋的塑料编织袋包装,每袋净重25kg,也可根据用户需要确定。贮于室内阴凉通风处,防潮,贮存期十二个月。
五、安全防护
HEDPWEISUANXING,CAOZUOSHIZHUYILAODONGBAOHU,YINGBIMIANYUPIFU、YANJINGDENGJIECHU,JIECHUHOUYINGLIJIYONGDALIANGQINGSHUICHONGXI。
六、 HEDP生产合成
GONGYESHANGTONGCHANGCAIYONGBINGCUSUANYUSANLVHUALINXIANFANYING,ZAIYOUXIANJIHUACHANWUYUSANLVHUALINSHUIJIECHANWUSUOHEFA。SANLVHUALINYUBINGCUSUANHUNHEHOU,JIARE、ZHENGLIU;SANLVHUALINSHUIJIEDEYALINSUANHEHCl,HCLHEBINGCUSUANFANYINGZHIDEYIXIANLV,YIXIANLVZAIYUYALINSUANFANYINGZHIDEHEDP。MEIDUNCHANPINXIAOHAOSANLVHUALIN(95%)931kg,BINGCUSUAN591kg。
JIANGJILIANGDESHUI,BINGCUSUANJIARUFANYINGFUZHONG,JIAOBANJUNYUN。ZAILENGQUEXIADIJIASANLVHUALIN,KONGZHIFANYINGWENDUZAI40~80℃。FANYINGFUCHANWULVHUAQINGQITIJINGLENGNINGHOUSONGRUXISHOUTA,HUISHOUYANSUAN。YICHUDEYIXIANLVHECUSUANJINGLENGNINGRENGHUIFANYINGQI。DIWANSANLVHUALINHOU,SHENGWENZHI100~130℃,HUILIU4~5h。FANYINGJIESHUHOU,TONGSHUIZHENGQISHUIJIE,ZHENGCHUCANLIUDECUSUANJIDIFEIDIANWU。DECHANPIN。