[Set A]
[Set B]
Specifications:
Type: Set A, Set B (Optional)
Accuracy: ±0.01PH at 25°C
PH Buffing Powder: 4.01, 6.86, 9.18
4.01: Often used in acidic conditions, need to be calibrated with 4.01 standard liquid
6.86: 6.86 standard solution should be calibrated as often used under neutral conditions
9.18: Often used under alkaline conditions, 9.18 standard solution should be calibrated
Item weight: 2.7g / 0.1oz
Package Size: 2.4 x 2.0 x 0.4 inches (60 x 50 x 10 mm).
Package Weight:
Set A: 22g / 0.8oz
Set B: 46g / 1.6oz
How to use:
Step 1: Open the packet and pour the powder into a dry glass cup for cleaning.
Step 2: Add 250ml of deionized water (or distilled water) to the glass cup. (or 250 ml certified flask)
Step 3: Stir the powder until it is fully dissolved.
Step 4: Adjust PH meter (Rinse the meter with pure water before testing)
Note:
1. For more accuracy, calibrate with two solutions, first use 6.86, then use 4.01 or 9.18.
2. The cup must be glass or ceramic. Do not use metal materials.
3. The calibration solution can be stored in a covered jar or glass cup for 2-3 weeks. (Refrigerated)
Package Contents:
Set A:
2 x 4.01 PH Buffer Powder
2 * 6.86 PH Buffer Powder
2 * 9.18 PH Buffer Powder
Set B:
5 x 4.01 PH Buffer Powder
5 * 6.86 PH Buffer Powder
5 * 9.18 PH Buffer Powder