Pure water equipment is mainly used in the field of food and drinking water
Purified water equipment is mainly used in the field of medicine.
Ultra-pure water equipment is mainly used in the field of electronics industry, semiconductor, optics, glass and other fields.
Inlet water quality:
The inlet water quality of water purification equipment is generally tap water.
Water purification equipment and ultrapure water equipment is mainly pure water, so water purification equipment and ultrapure water equipment are based on pure water equipment to increase the water quality purification process.
What is the difference between the resistivity standards of the three types of equipment?1. Pure water resistivity 0.1 × 10^6Ω-cm (ohm-cm) (25 ℃, distilled water test data, theoretically pure water is not conductive);
2. Ultrapure water resistivity 10MΩ * cm (25 ℃). Resistivity in the working temperature of 25 ℃, the highest theoretical value can reach 18.3MΩ?cm. actual ultrapure water equipment produced water online test the highest value is 18.2MΩ?cm.
3. purified water resistivity ≥ 0.5MΩ.CM (25 degrees Celsius). For injections, eye drops container rinse with purified water resistivity should be ≥ 1MΩ.CM/25 degrees Celsius.
Note: 15MΩ * cm (25 ℃) means: a temperature, the side length of 1CM cube of water between the opposite sides of the resistance of more than equal to 15 ohms.
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