Type I water (Ultrapure grade)
PURELAB Classic
 
• The best option for budget minded laboratories needing top quality water from a system without the enhanced operational  features of ELGA’s top of the range PURELAB Ultra purification systems
• Consistent supply of 18.2 MΩ-cm water, at flow-rates of up to 2 liters per minute
• Simplified water dispensing and operational ease of use
• Easy maintenance with direct access to consumables via user friendly service doors
 
Applications
| 
 Critical reagent preparation  | 
 Atomic absorption spectrophotometry  | 
| 
 Critical glassware washing  | 
 HPLC  | 
| 
 Ion chromatography  | 
 TOC measurement  | 
| 
 Electrophoresis  | 
    | 
| 
 PURELAB Classic Model  | 
 DI  | 
 UV  | 
 UF  | 
 UVF  | 
| 
 Inorganics (resistivity @25°C)  | 
 18.2 MΩ-cm  | 
 18.2 MΩ-cm  | 
 18.2 MΩ-cm  | 
 18.2 MΩ-cm  | 
| 
 Organics (TOC) – typical  | 
 3 – 10 ppb  | 
 1 – 3 ppb  | 
 3 – 10 ppb  | 
 1 – 3 ppb  | 
| 
 Bacteria – typical  | 
 <1 CFU/ml 1  | 
 <0.1 CFU/ml 1,2  | 
 <0.1 CFU/ml 1,2  | 
 <0.1 CFU/ml 1,2  | 
| 
 RNase and DNase  | 
 -  | 
 -  | 
 Removed  | 
 Removed  | 
| 
 Endotoxin  | 
 -  | 
 -  | 
 <0.001 EU/ml  | 
 <0.001 EU/ml  | 
Subject to correct operating and maintenance procedures 
1 with point-of-use filter
2<1 CFU/ml without point-of use filter
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