**Quantification (in XPS)**

**Quantification in XPS**

**Quantification**

**How True is That?**

**What assumptions are made?**

**Are Surfaces Really
Homogeneous?**

**Wagner or Scofield?**

**From First Principles?**

**Simplifying the expression**

**Quantification**

**So how can we get
Quantification?**

**Normalisation - Introducing l
and G**

**Scofield - what is it?**

**Empirical v Theoretical**

**Empirical Data Sets**

**Diapositive 16**

**Background Subtraction
Methods**

**Background Subtraction
(Silver)**

**Background Subtraction**

**Background Subtraction**

**"Normalised peak area
(neglecting..."**

**Background Subtraction**

**Background Subtraction**

**X-ray Satellites**

**Background Subtraction**

**Background Subtraction**

**Background Subtraction**

**Transmission Function**

**Transmission Functions -
History**

**Transmission Functions**

**Effect of Transmission
Function**

**Transftn.cfg**

**Effect of different Lens
Modes/Sources**

**How much can the data vary?**

**Conclusions**