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What are the levels of standard laboratory water use?

Sep 22, 2017

What are the national standard standards for water use? There are three kinds of water quality, such as distilled water, for the cleaning of glassware, etc .; the second is a water , Mainly for chemical analysis or liquid, atomic absorption and other sophisticated instruments. Customers should be based on the actual water quality needs to use ultra-pure water equipment grade. To tap water as the source of ultra-pure water machine has two (two water quality) outlet, one is pure water, that is, three water; two is a water, that is, ultra-pure water (strictly speaking, a water Of the resistance is greater than 10 megohms, while the ultra-pure water resistance is greater than 18 megohms). The above is about the national laboratory standard water level.