Direct determination of lead in plant materials by atomic absorption spectrophotometry

1971 ◽  
Vol 22 (5) ◽  
pp. 260-261 ◽  
Author(s):  
K. Fletcher
Keyword(s):  
Atomic Absorption ◽  
Direct Determination ◽  
Atomic Absorption Spectrophotometry ◽  
Plant Materials ◽  
Absorption Spectrophotometry

Direct Determination of Nickel in Catalytic-Cracking Feedstocks by Atomic-Absorption Spectrophotometry

1966 ◽  
Vol 20 (4) ◽  
pp. 212-213 ◽  
Author(s):  
J. D. Kerber
Keyword(s):  
Detection Limit ◽  
Atomic Absorption ◽  
Catalytic Cracking ◽  
Direct Determination ◽  
Atomic Absorption Spectrophotometry ◽  
Rapid Testing ◽  
Absorption Spectrophotometry ◽  
Determination Of Nickel ◽  
No Sample Preparation

Nickel in catalytic-cracking feedstocks is determined by atomic-absorption spectrophotometry with no sample preparation other than dilution in p–xylene. A modification of the method of additions permits rapid testing with a detection limit of 0.05 ppm Ni and a precision of 0.05 ppm.

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