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are two types of water in the lab: Industrial water and deionized
water. Industrial water is not clean enough for drinking, but it is
fine for washing equipment with soap and for preparing water baths.
Deionized water (D.I. water) has had all of the ions removed. It is
pure enough to use in chemistry experiments and for giving glassware a
final rinse.
In the lab, industrial water comes in hot (green button on the knob) and cold (red button on the knob). Deionized water comes out of a rounded tap with a white button on the knob. Only deionized water should be used to fill squirt bottles. |
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