Hydrion A and B Dispenser
pH Paper, Hydrion A & B Dispenser, Double Roll
: : 470203-342
Use this paper to cover both the A range (2-4-6-8-10) and the B range (1-3-5-7-9-11) of the pH scale.
Includes: color chart.
- Description:pH Paper, Hydrion A & B Dispenser, Double Roll