AMMONIA FREE WATER
AMMONIA FREE WATER From a functional standpoint, Ammonia Free Water must have a negligible ammonia concentration to avoid interference in tests sensitive
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OXYGEN FREE WATER
OXYGEN FREE WATER Oxygen-Free Water is Purified Water that has been treated to remove or reduce dissolved oxygen. Such treatment could involve deaerating
Pharmacopoeia
LOSS ON IGNITION
Determining the percentage of test material that is volatilized & driven off under the conditions specified.
Pharmacopoeia
DEAERATED WATER
Deaerated Water or “degassed water” is Purified Water that has been treated to reduce the content of dissolved air by “suitable means” ...
Pharmacopoeia
HIGH-PURITY WATER
High-Purity Water may be prepared by deionizing previously distilled water and then filtering it through a 0.45-μm rated membrane.
Pharmacopoeia
FILTERED WATER
Filtered Water is Purified Water that has been filtered to remove particles that could interfere with the analysis.
Pharmacopoeia
Loss on Drying (LOD): Formula, Procedure & USP Limits
Loss on drying is the loss of mass after drying under specified conditions, calculated as a percentage (m/m).
Pharmacopoeia
DEIONIZED DISTILLED WATER
This water is used as a reagent in a liquid chromatography test that requires a low ionic or organic impurity level.
Pharmacopoeia
DEIONIZED WATER
Deionized Water is produced by an ion-exchange process in which the cations & anions are replaced with H+ & OH− ions by use of ion-exchange
FRESHLY DISTILLED WATER
FRESHLY DISTILLED WATER Freshly Distilled Water or “recently distilled water” is produced in the same manner as Distilled Water and should be used soon
Pharmacopoeia
DISTILLED WATER
Distilled Water is produced by vaporizing Drinking Water or a higher quality of water and condensing it into a purer state.
CARBON DIOXIDE-FREE WATER
Carbon dioxide-free water is defined in the Reagents, Indicators, and Solutions section of USP–NF as Purified Water that has been vigorously boiled for