- -58%
10db PH mérő toll teszter pontosság PH korrekciós por 5db 4,01 5db 6,86 pufferpor
10db PH mérő toll teszter pontosság PH korrekciós por 5db 4,01 5db 6,86 pufferpor
177 Ft
58% megtakarítás
421 Ft
Nincs adó
Shelf life: The shelf life of the powder is 2 years.
Usesage:
For PH-acid test pen calibration, 250ML standard solution can be prepared per pack
Instructions:
1 . Prepare two empty cups larger than 25oML, use beakers or graduated bottles, or use disposable cups
2 . Pour the two specifications of the calibration liquid powder into each, and then label the surface of the cup to indicate the specification of the poured powder for easy identification.
3 . Pour 25OML distilled water into two cups
4 . Gently stir with a glass rod until the powder dissolves. No glass rods can be used with clean chopsticks.
5 . The above steps are completed and the calibration can be started.
Usesage:
For PH-acid test pen calibration, 250ML standard solution can be prepared per pack
Instructions:
1 . Prepare two empty cups larger than 25oML, use beakers or graduated bottles, or use disposable cups
2 . Pour the two specifications of the calibration liquid powder into each, and then label the surface of the cup to indicate the specification of the poured powder for easy identification.
3 . Pour 25OML distilled water into two cups
4 . Gently stir with a glass rod until the powder dissolves. No glass rods can be used with clean chopsticks.
5 . The above steps are completed and the calibration can be started.
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