| Diborane | B2H6 | NO.22 | |
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| Performance |
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Measuring Range |
0.02 to 0.05 ppm |
0.05 to 2 ppm |
2 to 5 ppm |
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Number of Pump Stroke |
5 |
2 |
1 |
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Correction Factor |
1/3 |
1 |
2.5 |
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Sampling Time |
2 minutes per pump stroke |
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Detecting Limit |
0.01 ppm (n=5) |
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Color Change |
Yellow |
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Reaction Formula |
Diborane reacts with mercuric chloride to produce hydrogen chloride. |
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| Coefficient of Variation | 10% (for 0.05 to 0.4 ppm), 5% (for 0.4 to 2 ppm) | ||
| Shelf Life | 2 Years | ||
| Corrections for temperature & humidity |
Temperature correction is necessary | ||
| Store the tubes at cool and dark place. | |||
| Possible coexisting substances and their interferences | (NOTE) |
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Substance |
Concentration |
Interference |
Change color by itself |
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Arsine |
1/10 time |
Plus error |
Produce red stain |
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Hydrogen selenide |
1/10 time |
Plus error |
Produce red stain |
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Phosphine |
1/10 time |
Plus error |
Produce red stain |
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Hydrogen chloride |
1/3 time |
Plus error |
Produce red stain |
| Calibration gas generation | High pressure gas cylinder method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 0.1ppm | - | - |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
Red
2B2(HgCl)3 + 6HCl
chloride compounds