Patent ID: 8294893
Filing Date: 2012-10-23
Classification: F23N,G01J,G01N

Abstract:
1. A flame atomic absorption spectrophotometer in which a combustion gas is burned by a burner to form a flame and a nebulized sample is atomized in the flame, comprising: a) a flashback detector for detecting an occurrence of a flashback phenomenon of the flame or detecting a state in which a flashback phenomenon is considered to have occurred; b) a flashback count memory for counting detection of a flashback by the flashback detector and storing a number of count; c) an ignition inhibitor for inhibiting, in a case where a flashback is detected by the flashback detector, an ignition after the detection; and d) an inhibition canceller for canceling, in an ignition inhibit state created by the ignition inhibitor, the ignition inhibit state only by a predetermined operation which is changed in accordance with the number of count stored in the flashback count memory.