In color theory, a purple is defined as any non-spectral color between violet and red (excluding violet and red themselves). The spectral colors violet and indigo are not purples according to color theory but they are purples according to common English usage since they are between red and blue.
Dry ice fog is a thick, dense, low-lying fog created exactly the way fog in nature is. created, by condensing water vapor out of the atmosphere. We use dry ice (the. solid form of carbon dioxide) to condense the water vapor out of the air. Dry ice. fog contains no chemicals, glycols, or oils, and is truly a water based fog.
A. Dry ice is frozen carbon dioxide. It will keep perishable foods colder and longer than traditional ice. It is an excellent refrigerant for shipping, camping and bulk use. Unlike traditional ice that melts into water, dry ice turns into a gas appearing like fog or steam.. Ice should be clear in color as well as odorless and tasteless. When purchasing ice, look for bags that are properly closed and secure (no drawstring ties). The bag should carry the manufacturerâs name and address. Also look for the International Packaged Ice Associaton (IPIA) symbol.