This is a set of the following colour reference solutions according to APAH: Option of 2 ml or 10 ml ampoule kits.

Colour Reference Solution 5
Colour Reference Solution 10
Colour Reference Solution 15
Colour Reference Solution 20
Colour Reference Solution 25
Colour Reference Solution 30
Colour Reference Solution 35
Colour Reference Solution 40
Colour Reference Solution 50
Colour Reference Solution 60
Colour Reference Solution 70
Colour Reference Solution 100
Colour Reference Solution 150
Colour Reference Solution 200
Colour Reference Solution 250
Colour Reference Solution 300
Colour Reference Solution 350
Colour Reference Solution 400
Colour Reference Solution 450
Colour Reference Solution 500