A PH buffer powder is used to resist any PH change/ maintain constant even when exposed to a small amount of acid or base.
Comparison table
| Product | Image | Available at | ||
|---|---|---|---|---|
| 1 | ESEE 6-Pack pH Meter Buffer Solution Powder |   | 2 packages of 4.00, 2 packages of 6.86 and 2 package of 9.18 | Amazon |
| 2 | Unido pH Meter Buffer Solution Powder Set |   | 3-Pack 4.00pH, 6.86pH, and 9.18pH | Amazon |
| 3 | Beioust 20 Pcs PH Buffer Solution Powder |   | 10 packs pH4.01 and 10 packs pH6.86 | Amazon |
| 4 | Jackyee 20 Pcs PH Buffer Solution Powder |   | 10 packs pH4.01 and 10 packs pH6.86 | Amazon |
| 5 | YUNAWU 1 Set PH Buffer Solution Powder PH For Test Meter Measure Calibration |   | 10 packs pH4.01 and 10 packs pH6.86 | Amazon |
The PH buffer powder is necessary for digital PH meter for calibration.
There are three PH buffer powder
- 6.86
- 4.01
- 9.18
Acidic buffer is the solution that has PH less than 7 or on the acid side while basic buffer has PH higher than 7 or on the alkaline side
#1: ESEE 6-Pack Meter Buffer Solution Powder
Available at
It includes 2 packages of 4.00, 2 packages of 6.86 and 2 package of 9.18 calibration solution powder for all pH needs
#2: Unido pH Meter Buffer Solution Set
Available at:
It comes in a 3-Pack for Precise pH Meter Calibration, 4.00pH, 6.86pH, and 9.18pH Solution, Easy and Portable,
Also available in 6.86 Set (3 Pack)
Available at
Jackyee set to include 20 pieces, 10 packs pH4.01 and 10 packs pH6.86
YUNAWU 1 Set PH Buffer Powder For Test Meter Measure Calibration
Available at:
Each set come in 20 packs of popular pH buffer solutions, 10 packs pH4.01 and 10 packs pH6.86
Beioust 20 Pcs PH Buffer Solution
Available at:
It comes in 20 packs of popular pH buffer solutions, 10 packs pH4.01 and 10 packs pH6.86
How to make PH buffer powder into solution
- Add 250 ml of distilled water in a clean container
- Empty the powder (each pack) and add into the clean container with water
- Stir until the powder completely dissolves
- The solution is ready for calibration and follows step by step to calibrate your PH meter
- Same procedure for each pack
- After stirring each pack if you are sharing the same item make sure you rinse the item you are using to stir with using distilled and dry it with clean tissue or cloth after use/ before moving to the next solution
All the above Calibration powder has an indefinite shelf life