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How about 3 m water purifier? In fact, many models in the early stage of 3 M belong to the micro-filtration level, (but we can't say that the accuracy of the filter element of others is indeed better than that of activated carbon technology) but don't forget, the root of the matter, he is also a 'micro filter' level! So your feeling will say that the filtering effect of 3 M is not good! It is very normal, and the mineral water that the manufacturer mainly focuses on is actually true. this is a topic of wiping balls, and the tap water also contains certain minerals, so in a certain way, the tap water is also mineral water! All you have to do is sell unreliable! And now go to some stores in 3 M, you can also see that the proportion of pure water machines displayed in the store is very high, and all manufacturers are just catering to the market, in terms of the complexity of water quality in China, it is still a more reliable pure water machine. Next, we will do an analysis and purchase of several mainstream
Detailed process of filtering operation The precautions for filtering operations are:One stick: the filter paper is close to the inner wall of the funnel, do not leave bubbles;Two low: a. the edge of the filter paper is lower than the funnel mouth, and B. the liquid level of the filter fluid is lower than the edge of the filter paper;Three rely: a. The Beaker to filter the liquid is close to the drain glass rod, B. The end of the glass rod should be gently tilted on the side of the three-layer filter, c. The lower end of the funnel is close to the inner wall of the beaker.Filtration is a common method in industry and a common method for separating mixtures in chemical experiments.Filtration is a common method of separating solids and liquids that are not soluble in water. First, how to choose the funnel and filter paper? The size of the funnel mainly depends on the amount of precipitation to be filtered or the amount of solids to be precipitated, rather than looking at the volume of the liquid. If the am
