28.進行atomic emission spectrophotometry分析時,使用下列何種氣體組合可以使溫度達到2500℃?
(A)Acetylene/compressed air
(B)Hydrogen/compressed air
(C)Methane/compressed air
(D)Natural gas/compressed air
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統計: A(2838), B(356), C(116), D(423), E(0) #410882
統計: A(2838), B(356), C(116), D(423), E(0) #410882

