PPM stands for “Parts per million,” which is one of the units representing the concentration of substances in a solution. It generally refers to the proportion of the weight of the dissolved substance to the total weight in a solution of one millionth. Per esempio, if a solution contains 10 grams of substance A in a total weight of 1,000,000 grams, the concentration of substance A is 10 ppm.
PPB, similar to PPM, is a unit of measurement that represents the mass of substances contained in every billion parts. Typically used in highly detailed chemical experiments, such as those investigating air pollution. The conversion rate of parts per billion (PPB) is thousands of times higher than that of parts per million (PPM), which means 1 PPM is equivalent to 1000 PPB.PPT stands for “Parts per trillion” (abbreviated as PPT), which represents a very minute proportion.
PPT is typically used for highly precise detection and represents a very high level of accuracy. PPT is used in various fields of environmental and scientific analysis, including environmental pollution detection, food quality control, and drug production. The conversion between parts per trillion (PPT) and parts per billion (PPB) is 1 PPB = 1000 PPT.Nano powder dispersion is an important nanomaterial with broad application prospects. It can be used to prepare nanomaterials with diverse forms and can also be used to create nanomaterials with various physical and chemical properties.
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