ชุดทดสอบความเป็นกรดด่าง pH Test Kit
รุ่น HI38058 แบรนด์ HANNA

Description

- The HI38058 pH test kit makes monitoring easy, quick and safe.
- pH represents acidity or alkalinity of an aqueous solution and is proportional to the hydrogen-ion concentration of the solution. Under neutral conditions water is dissociated into the (OH)- and H+ ions in equal ratio and hence it has a pH of 7. When bases or acids are added to a water solution they ionise, increasing the concentration of (OH)- or H+, respectively. Thus solutions with a pH of 1-3 contain strong acids, whereas those with a pH of 4-6 contain weak acids.
- Weak bases result in solutions of pH 8-10 and strong bases in pH of 11-13

Specification

Method: Checker disc
Range: 4.0-10.0 pH
Smallest Increment: 0.5 pH
Chemical Method: pH indicator
Number of Tests: 300
Weight: 215 g

Ordering information

- 30 mL pH 4.0-10.0 reagent
- Checker disc
- Glass vials with caps
- 3 mL plastic pipette