The method of washing the HPLC vials.

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The resistivity is greater than 18 MΩ*cm, or close to the 18.3 MΩ*cm limit.

Pharmacopoeia: Total organic carbon test water: C: <0.1ppm; Conductivity: 1.0uS/cm (25°C)

HPLC vials method:

The water sample flows along the side wall of the HPLC vials and fills the HPLC vials and is sealed. Ready to use.

How to handle the HPLC vials:

Place the HPLC vials in a container containing 10% HNO3 solution (or potassium dichromate sulfate wash solution), soak it overnight, rinse it with ultrapure water for more than 10 times, then put it in a hot air oven at 110 ° C and let it dry. Put it in a clean container for later use.

0.5dram HPLC vials

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