7.進行atomic absorption spectrophotometry分析時,使用下列何種氣體組合可以使火焰溫度達到3,000℃?
(A)acetylene-compressed air
(B)acetylene-nitrous oxide
(C)natural gas-compressed air
(D)nitrous oxide-compressed air
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統計: A(1272), B(4815), C(291), D(786), E(0) #2037549
統計: A(1272), B(4815), C(291), D(786), E(0) #2037549
詳解 (共 10 筆)
#3756056

越下面,溫度越高
ex:乙炔+ O2 > 乙炔+ N20 > 乙炔+air
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#4493945
| Fuel | oxidant | temperature |
| Nature gas | Air | 2000 |
| Nature gas | O2 | 2700-2800 |
| H2 | Air | 2000-2100 |
| H2 | O2 | 2800 |
| Acetylene | Air | 2500 |
| Acetylene | NO2 | 3000 |
| Acetylene | O2 | 3050-3100 |
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