We want to minimize the portions of such impurities to cut back chances of corrosion.For finding the ppm values we want a special calculator similar to the components per million calculator. PPT means “components for each trillion” and is accustomed to evaluate concentrations that are much lesser than PPB or https://ppm-calculator16047.answerblogs.com/36995160/the-fact-about-online-ppm-calculator-that-no-one-is-suggesting