Purified water is used in the pharmaceutical industry. Water of this grade is widely used as a raw material, ingredient, and solvent in the processing, formulation, and manufacture of pharmaceutical products, active pharmaceutical ingredients (APIs) and intermediates, compendial articles, and analytical reagents.
Water for injection is water of extra high quality without significant contamination. A sterile version is used for making solutions that will be given by injection. … It can be given by injection into a vein, muscle, or under the skin.
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