少妇被猛男粗大的猛进出,亚洲 欧美 动漫 少妇 自拍,日韩免费视频,青春草在线视频免费观看

訂購電話:4001650900

Zirconium dioxide

Cas:
1314-23-4
Molecular Structure:
MDL:
--MFCD00011310
Molecular Formula:
ZrO2
Molecular Weight:
123.22
Alias:
鋯酸酐,氧化鋯(Ⅳ) Zirconium(IV) oxide
Product order:
Name Specifications Packing Price Delivery
Zirconium dioxide 99.99%,50nm 500g RMB 418 現(xiàn)貨
Zirconium dioxide 99.99%,50nm 100g RMB 107.8 現(xiàn)貨
Zirconium dioxide AR 25kg RMB 3080 現(xiàn)貨
Zirconium dioxide AR 1kg RMB 206.8 現(xiàn)貨
Zirconium dioxide 99.99%,D50:0.2~0.4μm 500g RMB 308 現(xiàn)貨
Zirconium dioxide 99.99%,D50:0.2~0.4μm 100g RMB 107.8 現(xiàn)貨
Zirconium dioxide 99.99% 1Kg RMB 308 現(xiàn)貨
Character:
白色重質(zhì)無定形粉末。無臭。無味。在1100℃以上形成四方晶體,在1900℃以上形成立方晶體。一般常含有少量二氧化鉿,與碳酸共熔生成鋯酸鈉,鋯酸鈉遇水能水解成氫氧化鈉和幾乎不溶于水的氫氧化鋯。溶于2份硫酸和1份水的混合液中,微溶于鹽酸和硝酸,慢溶于氫氟酸,幾乎不溶于水。半數(shù)致死量(小鼠,腹腔)37mg/kg。有刺激性。
密度:5.85
熔點(diǎn):2680℃
沸點(diǎn):4300℃
折光率:2.2
Quality Standard:

   項(xiàng)目                                    分析純  
                                         (AR)
二氧化硅                                ≤0.01%  
二氧化鈦                                ≤0.005%  
含量                                    ≥99.0%  
三氧化二鐵                              ≤0.005%  
氧化鈣                                  ≤0.05%  
氧化鋁                                   合格  
氧化鎂                                  ≤0.05%  
灼燒失重                                ≤1.0%  


項(xiàng)目                                    高純4N級(jí)    
Zr(Hf)O2                               ≥99.99%
Na2O                                   ≤0.0005 %
Fe2O3                                  ≤0.0005 %
SiO2                                   ≤0.005 %
TiO2                                   ≤0.001 %


項(xiàng)目                                    納米級(jí)
ZrO2% (+ HfO2)                          99.99%
Y2O3(wt%)                              --
Al2O3                                  ≤0.005
SiO2                                   ≤0.005
Fe2O3                                  ≤0.003
CaO                                    ≤0.003
MgO                                    ≤0.003
TiO2                                   ≤0.001
Na2O                                   ≤0.001
Cl-                                    ≤0.1
灼減                                   ≤0.8
平均粒徑                               50nm

Storage:
密封保存。
用途  白熱煤氣燈罩、搪瓷、白色玻璃、耐火坩堝等的制造。X射線照相。研磨材料。與釔一起用以制造紅外線光譜儀中的光源燈,厚膜電路電容材料,壓電晶體換能器配方。納米級(jí)氧化鋯用作拋光劑、磨粒、壓電陶瓷、精密陶瓷、陶瓷釉料和高溫顏料的基質(zhì)材料。高純4N級(jí)用作特種玻璃和光學(xué)纖維,高折射電鏡的玻璃片和節(jié)能光源的添加劑。
上海紫一試劑廠   ? 2025 All Rights Reserved      備案號(hào):滬ICP備19037119號(hào)-1     
網(wǎng)站地圖:
試劑CAS試劑分類試劑產(chǎn)品實(shí)驗(yàn)儀器耗材分類實(shí)驗(yàn)儀器耗材新聞資訊
   滬公網(wǎng)安備 31012002003055號(hào)