15
•
Use distilled or deionized water to bring the flask close to the total
volume, mix, allow time for the solution to return to room temperature.
•
Once the solution has returned to room temperature use distilled or
deionized water to bring the total volume to 100 mL. Mix solution well
before use.
Ethylene
Glycol
Total
Volume
Expected Freezing Point
Value
10 % V
10.00 mL
100.00 mL
‑3.8 °C (25.2 °F)
40 % V
40.00 mL
100.00 mL
‑26.3 °C (‑15.4 °F)
To make a Ethylene Glycol Solution, follow the procedure below:
•
To make an X % ethylene glycol solution volumetrically add X mL of
high purity ethylene glycol (CAS #: 107‑21‑1; MW 62.068) to a
100 mL Grade A volumetric flask.
MAKING A ST
AND
ARD SOLUTION
