HPLC Grade Water
Methods of Water Purification
Step 1) Reverse Osmosis
Reverse osmosis is a molecular filtering technique in which water is
pushed through a semipermeable membrane. Organic molecules,
bacteria, other particulate debris, and 90 % to 97% of all ionized
and dissolved minerals are removed by the membrane.
Step 2) Ion Exchange
Ion exchange is a method of removing ions from water to generate
deionized water. Deionization is achieved by resin polymers that
exchange hydrogen (H+) and oxygen hydrogen (OH) ions for the
contaminants present in the ionized state of the water. Cation
exchanger, anion exchanger and a mixed-bed resin exchanger can
produce water with a specific resistance of more than 18 MΩ/cm.
Step 3) Ultraviolet photo-oxidation
UV photo-oxidation with wavelengths of 185 nm and 254 nm can
disrupts the DNA of live bacteria. In addition, photo-oxidation of
organic molecules lowers the total organic content (TOC) below 5 ppb.
Step 4) Ultrafiltration
Remove small contaminants (20-30 kDa) that are not removed by
filtration.
Applications
Version ANA
- Ion Chromatography
- High Performance Liquid Chromatography (HPLC)
- Liquid Chromatography - Mass Spectrometry (LC-MS)
- Graphite Furnace Atomic Absorption Spectrometry (GFAAS)
- Inductively Coupled Plasma Spectrometry (ICP)
- Inductively Coupled Plasma -Mass Spectrometry (ICP-MS)
- Gas Chromatography - Mass Spectrometry (GC-MS)
- TOC analysis
- Ultra-trace inorganic and organic analysis
- Standard and buffer solutions preparation
Version BIO
- Polymerase chain reaction (PCR)
- Immunochemistry (ICC)
- Cell culture
- Clinical analysis
- 2-Dimensional electrophoresis
- Monoclonal antibody production
| Description | ANA | BIO |
|---|---|---|
| Ultrapure water, 2.5L glass bottle | UPW-A2 | UPW-B2 |
| Ultrapure water, 4L glass bottle | UPW-A4 | UPW-B4 |