What are the applications of experimental water equipment?

Water quality has always been an important issue among the factors affecting the experimental results, but it is an often overlooked issue in clinical testing. This is mainly because there are many factors affecting the experimental quality in the clinical inspection work, and the water quality is in a relatively small influence position. However, with the improvement of inspection equipment and inspection technology, and the reduction and elimination of other error factors, the impact of water quality on quality becomes more important. Especially with the development and transformation of inspection technology in recent years, water quality has not only become a bottleneck for improving quality, but also the key to the success or failure of certain experiments (such as cell culture, etc.). At the same time, water quality is the key to the maintenance of some large automated instruments, so some instruments are equipped with pure water devices. The physical and chemical properties of water from different sources are different. But no matter what natural water is, it is not pure, and not only many solutes are dissolved in it, but also some insoluble tiny particles.

The influence of water quality on the experiment is mainly manifested in:

  1. Clogging of automatic instruments by solid particles and dispersion of contrasting colors.
  2. The effect of solutes on water pH.
  3. The direct influence of ions in water on the reaction (such as the determination of inorganic elements, etc.)
  4. The effect of ionic strength in water on immunity and enzymatic activity.
  5. Indirect effects of ions in water on responses (such as excitation and inhibition, etc.)

Therefore, the experimental water must be treated with pure hydration. Commonly used methods of hydration are filtration and distillation. Filtration is a commonly used solid-liquid separation method, and distillation purification is a rough step to purify water by the difference between the boiling points of solutes and particles in water and water. In the usual test, the water quality requirements are lower, and the reagents are all buffered, so distilled water, double distilled water, and triple distilled water are sufficient. However, for some special experiments such as cell culture, which require high water quality, it will not work. It is necessary to use molecular sieves, ion exchange adsorption and other purification means to prepare. Special pure water and ultrapure water equipment have become indispensable for all chemical analysis, biochemical research and cell culture.

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