Basic Conditions of Analysis of Atomic Absorption Spectrophotometry

仪器资料 · 发表于 2017-10-12 15:18:17

CONTENTS

1. Principal of Atomic Absorption Spectrophotometry 1
1.1 Why atoms absorb light 1
1.2 Relation between light absorption rate and atomic density 2
1.3 Sample atomization method 3
a) Flame atomic absorption 3
b) Electro-thermal atomic absorption 5

2. Basic Condition for Analysis 9
2.1 Conditions of equipment 9
a) Analysis line 9
b) Slit width 13
c) Lamp current value 14
2.2 Analysis conditions of flame atomic absorption 15
a) Flame selection 15
b) Mixing ratio of oxidant and fuel gas 17
c) Beam position in flame 17
2.3 Analysis conditions of electro-thermal atomic absorption 18
a) Drying condition 18
b) Ashing condition 19
c) Atomizing condition 21
d) Sample injection quantity 23