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1)  High-Purity Quartz Powders
高纯石英粉
1.
Determination of Microamount Aluminum in High-Purity Quartz Powders by Micelle-Sensitized Spectrophotometry;
胶束增敏分光光度法测定高纯石英粉中微量铝
2)  high purity quartz
高纯石英
1.
The technology of the determination of boron in high purity quartz by isotope dilution ICP MS was reported in this paper.
应用同位素稀释电感耦合等离子体质谱法 ( ID-ICP-MS)测定地质标样 ( GSD-4和 GSD-8)和高纯石英中的痕量硼。
2.
Purifying quartz sand is the most difficult separation technic that eliminate the few and trace of impurities of quartz sand to produce high purity quartz.
石英砂提纯是除去石英砂中少量或微量杂质,获得精制石英砂或高纯石英砂的高难度分离技术。
3.
A method called pulse-pressurized capillary column is used for preconcentration and separation of uranium,follwed by determination of trace uranium in high purity quartz by ID-ICP-MS.
现有的较好高纯石英材料基本没有放射性。
3)  high grade quartz sand
高纯石英砂
1.
In the industry application of purifying high grade quartz sand,the content of Fe2O3 can be reduced from 0.
对于高纯石英砂的除铁提纯,在磁场强度2。
4)  high pure powdered graphite
高纯石墨粉
1.
The paper presents a method of determinating the arsenic and antimonial content in the high pure powdered graphite by using the hydride atomic fluorescence method and the reaction system of sulfocarbamide,ascorbic acid and potassium borohydride.
提出以硫脲-抗坏血酸-硼氢化钾反应体系,利用氢化物发生原子荧光法测定高纯石墨粉中的砷、锑含量。
5)  super pure silica glass
高纯石英玻璃
6)  siliceous,sand
纯石英砂
补充资料:为再结合熔融石英制品、熔融石英陶瓷制品
分子式:
CAS号:

性质:又称为再结合熔融石英制品、熔融石英陶瓷制品或石英玻璃烧结制品。具有良好的化学稳定性。抗酸性和抗冲刷性强。高温机械强度大。热膨胀系数低。气孔率低。导电率低。但在1100℃以上长期使用时,制品中的石英会向方石英转变,使制品产生裂纹和剥落。以熔融石英为原料,经粉碎、成型、干燥、烧成而制得。制法有泥浆浇注法、蜡注法、捣打法、半干压法和等静压成型等。由于在烧成时收缩小,可以制得尺寸精确的制品。可用于制作耐酸容器、反应罐内衬耐酸部件等。冶金工业中用其制成浸入式水口,使用效果很好。

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