[Note—For microbiological guidance, see general information chapter Water for Pharmaceutical Purposes <1231> [1]]

H₂O                  18.02

DEFINITION

Purified Water is water obtained by a suitable process. It is prepared from water complying with the U. S. Environmental Protection Agency National Primary Drinking Water Regulations or with the drinking water regulations of the European Union or of Japan, or with the World Health Organization's Guidelines for Drinking Water Quality. It contains no added substance.

[Note—Purified Water whether it is...