Etchant, Buffered Oxide, 4:1, Electronic/Cleanroom Grade
NH4F assay range: 31.3-32.3%.
HF assay range: 9.94-10.24%.
Packaged in a cleanroom environment.
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Safety Information |
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Health Hazard |
3 |
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Fire Hazard |
0 |
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Reactivity |
0 |
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Test |
Specification |
| Assay | |
| NH4F | As reported ± 0.5% |
| HF | As reported ± 0.15% |
| MAXIMUM LIMITS | |
| Residue after Ignition | 10 ppm |
| Arsenic and Antimony (as As) | 30 ppb |
| Aluminum (Al) | 200 ppb |
| Boron (B) | 200 ppb |
| Calcium (Ca) | 200 ppb |
| Chromium (Cr) | 100 ppb |
| Copper (Cu) | 100 ppm |
| Gold (A | |
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Shipping Information |
Ammonium hydrogen difluoride, solution, 8, UN2817, PG II. |
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UPS limit |
1 L |
Chemical information and descriptions have been provided by Spectrum Chemicals.
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