3.5 Analytical Chemical Standards
__ Box3.13
Examples of equipment calibration
1. FOR QUALITATIVE PURPOSES
Instrument
UV spectrophotometer
Spectrofluorimeter
2. FOR QUANTITATIVE PURPOSES
Instrument
Balance
Burette
Spectrofluorimeter
Potentiometer
Polarograph
Parameter
Parameter
Mass
Volume
Ir
pH
I (V)
Examples of method ca libration
1. QUALITATIVE ANALYSIS
125
Standard
Holmium and didymium filters
Plastic -dispersed fl uorophore
Standard
Transfer weights
Transfer weig hts
Quinine solution
Buffer solutions
Dummy electronic cell
1.1 Relationship of the signal to analyte properties
Technique
Polarography
IR spectroscopy
Mass spectrometry
Signa l
nIl
1.2 In a dynamiC instrumental system
Measured signal
Retention (migration) time
Travelled distance
Technique
Analyte
• Metal ions
• OrganiC substances
• Chelates
Organic substances
Organic substances
• Column chromatography
• Capillary electrophoresis
• Classical electrophoresis
• Planar ch romatography