High purity argon
1.Type: Argon
2. Molecular formula: Ar
3. Formula weight: 39.95
4. CAS: 7440-37-1
5. EINECS: 231-147-0
6. InChI: 1S/Ar
7. Melting point: -189 degree Celsius
8. Boiling point: -186 degree Celsius
9. 1.Another name: 40Ar;Argon, isotope of mass 40;Argon-40;Khladon R 740;R 740
GAS; ARGON SPECIFICATION FROM GAS
ARGON SPECIFICATION FROM SEFIC GAS | |||
| Standard Argon | High Purity | Liquefied |
Purity: | > 99.99% | > 99.999% | > 99.999% |
Impurity: |
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O2 | < 10 vol.ppm | <2 vol.ppm | <2 vol.ppm |
H2 | <5 vol.ppm | <1 vol.ppm | <1 vol.ppm |
N2 | <50 vol.ppm | <5 vol.ppm | <5 vol.ppm |
CH4 | <10 vol.ppm | <2 vol.ppm | <2 vol.ppm |
H2O | <15 vol.ppm | <4 vol.ppm | <4 vol.ppm |
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Gas production process
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