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Ultra-Pure Water Systems
AAMI Hemodialysis GradeWater •ASTM Reagent Grade Water • ASTM Electronics Grade Water • CAP Reagent Grade Water • Cell Culture Water • USP Grade Water

CELL AND TISSUE CULTURE WATER STANDARDS

It is generally recommended that ASTM TYPE I Reagent Grade water be used in cell culture work. Parameters that these processes are sensitive to, especially include the following:

PARAMETER

RECOMMENDED LEVELS

PURIFICATION TECHNOLOGIES

RESISTIVITY

>18.0 MegOhm-cm

High Purity Mixed Bed Deionization

PYROGEN

< 0.001 EU/ml

Ultrafiltration (10,000 molecular weight)

TOTAL ORGANIC CARBON

< 5 ppb

Carbon Adsorption

Reverse Osmosis

Organic Scavenging Deionization

185 nm Ultraviolet Light

BACTERIA

< 1 CFU/ml

Potable Feed Water Standards

Water Equipment Periodic Flush

254 nm Ultraviolet Light

Periodic Equipment Sanitization

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