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1 ug/mL = ??? ppm

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  • 1 ug/mL = ??? ppm

    Given that 1 ppm is equal ti 1 gm in 10^6 gm of solution (for dilute aqueous solutions, this is 1 gm per 1000 L of 1 mg per L), and i ug = 10^-6, how do you convert ug/mL to ppm? Can you please show working?

  • #2
    Re: 1 ug/mL = ??? ppm

    Originally posted by Unregistered
    Given that 1 ppm is equal ti 1 gm in 10^6 gm of solution (for dilute aqueous solutions, this is 1 gm per 1000 L of 1 mg per L), and i ug = 10^-6, how do you convert ug/mL to ppm? Can you please show working?
    You already have 1 ppm = 1 mg/L.
    Noting that 1 mg = 1000 g, and 1 L = 1000 mL, substitute so that
    1 ppm = 1000 g/1000 mL = 1 g/mL

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    • #3
      Re: 1 ug/mL = ??? ppm

      1 ug/mL = ??? ppm

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      • #4
        Re: 1 ug/mL = ??? ppm

        Originally posted by Unregistered View Post
        1 ug/mL = ??? ppm
        Already answered in post #2

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        • #5
          Re: 1 ug/mL = ??? ppm

          Re: 1 ug/mL = 1 ppm

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          • #6
            Re: 1 ug/mL = ??? ppm

            1 mg/L = 1 ug/mL = 1 ppm
            They are one in the same just different units

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            • #7
              Re: 1 ug/mL = ??? ppm

              Thanx, you guys make it seem so simple!

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              • #8
                Re: 1 ug/mL = ??? ppm

                .2ml of .020N sulphuric acid = 3ppm in the alkalinity test for methyl alcohol how?

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                • #9
                  Re: 1 ug/mL = ??? ppm

                  Originally posted by Unregistered View Post
                  .2ml of .020N sulphuric acid = 3ppm in the alkalinity test for methyl alcohol how?
                  You would have to dilute it so that the concentration of your sulphuric acid is 3ppm (3mg/L). To do this, you need to find out how much 1 equivalent of sulphuric acid weighs. A 0.02N solution means you have 0.02 equivalents per litre. In 0.2mL you will have 4e-6 equivalents.

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                  • #10
                    you guys make this world a better place

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                    • #11
                      Re: 1 ug/mL = ??? ppm

                      Ok, so I have 1ug/mL =1ppm. I have values of soil P at 0.00083ug/mL and 0.101243ug/mL and I believe anything under 20ppm is a low soil P reading. Can this be possible?

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                      • #12
                        Re: 1 ug/mL = ??? ppm

                        Originally posted by Unregistered View Post
                        Ok, so I have 1ug/mL =1ppm. I have values of soil P at 0.00083ug/mL and 0.101243ug/mL and I believe anything under 20ppm is a low soil P reading. Can this be possible?
                        1 g/mL = 1 ppm for the solution.

                        However, the usual way to measure soil is to mix a fixed weight (in grams) in a fixed amount of water (liters or milliliters) to dissolve the solubles. The concentration of the water is measured, but it has to be referred back to the soil water mixture, to get the concentration in soil.

                        If, for example, 10 g of soil were mixed in 1000 mL of water, you would have to multiply by 1000 mL/10 g to get concenbtrations in the soil of micrograms per gram. You have to know how soil and water were mixed to understand the solution results correctly.

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                        • #13
                          Re: 4161.2 ug/mL = ??? ppm

                          Originally posted by Unregistered View Post
                          Given that 1 ppm is equal ti 1 gm in 10^6 gm of solution (for dilute aqueous solutions, this is 1 gm per 1000 L of 1 mg per L), and i ug = 10^-6, how do you convert ug/mL to ppm? Can you please show working?
                          what is the solution in ppm to convert 4161.2mg/l?

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                          • #14
                            Re: 4161.2 ug/mL = ??? ppm

                            Originally posted by navjot View Post
                            what is the solution in ppm to convert 4161.2mg/l?
                            Assuming a dilute aqueous solution so 1 L is about 1 kg,
                            4161.2 mg/L = 4161.2 mg/kg = 4161.2 ppm

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                            • #15
                              Re: 1 ug/mL = ??? ppm

                              Originally posted by Unregistered View Post
                              Given that 1 ppm is equal ti 1 gm in 10^6 gm of solution (for dilute aqueous solutions, this is 1 gm per 1000 L of 1 mg per L), and i ug = 10^-6, how do you convert ug/mL to ppm? Can you please show working?
                              10microgram/ml

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