Primary Lab Use, ASTM Type III

Type III Lab Water Purification Systems include glassware washing, heating baths, filling auMillipore RIOStoclaves, feeding steam generators and environmental cabinets, hydroponics, or as a pre treatment to Type I Lab Water Systems. If you choose “Primary Lab Use, ASTM Type III” then you require a Type III Lab Water Purification System. Measured by ASTM standards specifications, Type II Lab Water will have a Resistivity @ 25°C  (megohms-cm) of 4.00 and a Conductivity @ 25°C (microhos/cm) of 0.250, the total Organic Carbons (u/L) will measure under 200.

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General Lab Use, ASTM Type II

Type II Lab Water Purification Systems are used for reagent make-up or dilution, buffer and media preparation, general chemistry, qualitative analysis, cell culture incubators, weatherometers, synthesis. If you chose “General Lab Use, STAM Type II” then you require a Type II Lab Water Purifications System. Measured by ASTM standard specifications, Type II Lab Water will have a Resistivity @ 25°C (microhos/cm) of 1.00 and a Conductivity @ 25°C (microhos/cm) of 1.00, the Total Organic Carbons (u/L) will measure under 50.

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UL-TOC

Analytical Lab Use, ASTM Type I

Type I Lab Water Purification Systems are used for HPLC Mobile Phase preparation, blanks and sample dilution for GC, HPLC, AA, ICP-MS, molecular biology, microbiology, PCR, electrophoresis, DNA sequencing, mammalian cell culture, in-vitro fertilization, antibody production and blotting. If you chose “Analytical Lab Use, ASTM Type I” then you require a Type I Lab Water Purification System, measured by ASTM standards specifications, Type I Lab Water will have a Resistivity @ 25°C (megohms-cm) of 18.2 and a Conductivity @ 25°C (microhos/com) of 1.00, the Total Organic Carbons (u/L) will measure under 50. Type I Lab Water is often referred to as Ultrapure Lab Water.

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