In the EDTA titration Mg2+ system, which of the following substances will not affect the accurate titration. ( )
A. water
B. acid
C. concentrated NaOH
D. to join the weak alkaline solution pH = 10.0
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Interferences that may be encountered in AAS can be classified as?
A. Physical and chemical
B. Physical and spectral
C. Physical, chemical and spectral
D. Chemical and spectral
Flame atomic absorption spectrometry (FAAS) is used for?
A. Liquid solutions
B. Solid samples
C. Liquid solutions and solid samples
D. Liquid solutions and vapors
An atomic absorption spectrometer basically consists of the following components:
A radiation source, an atomizer, a monochromator and the sample
B. A radiation source, an atomizer and the detector
C. A radiation source, an atomizer, a monochromator and the detector
D. A radiation source, a monochromator, a detector and the sample
EDTA with Zn2+ complexes formed in conditional stability constant of the lgK ɵ′Zn 'recent equals ( )
A. 16.50
B. 0.45
C. 16.05
D. 16.96
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