Gray quartz tube and preparation method thereof
A quartz tube, gray technology, applied in the field of quartz tubes, can solve the problems of poor controllability of production process, complex process, air pollution, etc., and achieve the effect of good coloring effect
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[0023] Example 1, a gray quartz tube made of raw materials with the following weight ratios: high-purity potassium oxide 0.01-0.03; high-purity sodium oxide 0.01-0.03; high-purity alumina 0.02-0.04; high-purity praseodymium oxide 0.03 -0.05; high-purity vanadium oxide 0.03-0.05; impurity content less than 30ppm high-purity quartz sand 99.0-99.5.
Example Embodiment
[0024] Example 2, the gray quartz tube described in Example 1: high-purity potassium oxide 0.01; high-purity sodium oxide 0.01; high-purity alumina 0.02; high-purity praseodymium oxide 0.03; high-purity vanadium oxide 0.03; impurity content less than 30ppm High purity quartz sand 99.0.
Example Embodiment
[0025] Embodiment 3, in the gray quartz tube described in embodiment 1 or 2: high-purity potassium oxide 0.03; high-purity sodium oxide 0.03; high-purity alumina 0.04; high-purity praseodymium oxide 0.05; high-purity vanadium oxide 0.05; low impurity content At 30ppm high purity quartz sand 99.5.
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