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Assume, that you digested 500 mg of the soil in acid, and the final volume of your sample is 25 ml. The solution was measured on ICP-AES and 0.5 mg/L Cu was found. How much Cu the soil contains?
25000 micro liter / 500 mg (or 25 ml / 0.5 g) = 50. This is your dilution factor. Multiply your measured result by this factor
0.5 mg/L Cu * 50 = 25 mg Cu per 1 kg of the soil.
Of course, if you diluted your digested sample during the measurement, this dilution factor also must be taken into account.
What else can I help you with?
How do you calculate the KD value for a given experiment?
The KD value is calculated by dividing the concentration of a ligand that binds to half of the available binding sites on a protein by the concentration of the ligand. This can be determined experimentally using techniques such as fluorescence spectroscopy or isothermal titration calorimetry.
How can one determine the acid dissociation constant (Ka) of a substance without using the pH value?
One can determine the acid dissociation constant (Ka) of a substance without using the pH value by conducting a titration experiment. In this experiment, a known concentration of the acid is titrated with a strong base of known concentration. By measuring the volume of base required to neutralize the acid, one can calculate the Ka value using the initial concentrations of the acid and base.
How can one use the dilution factor to calculate concentration effectively?
To calculate concentration effectively using the dilution factor, you can multiply the initial concentration by the dilution factor. This will give you the final concentration after dilution. The formula is: Final concentration Initial concentration x Dilution factor.
How do you calculate the concentration of a solution using Beer's Law?
To calculate the concentration of a solution using Beer's Law, you can use the formula A lc, where A is the absorbance of the solution, is the molar absorptivity of the substance, l is the path length of the cuvette, and c is the concentration of the solution. By rearranging the formula, you can solve for the concentration of the solution, c A / (l).
Which property is used to calculate the pH of a solution?
The property used to calculate the pH of a solution is the concentration of hydrogen ions (H+) in the solution. The pH is calculated using the negative logarithm of the hydrogen ion concentration.
How do you calculate the KD value for a given experiment?
The KD value is calculated by dividing the concentration of a ligand that binds to half of the available binding sites on a protein by the concentration of the ligand. This can be determined experimentally using techniques such as fluorescence spectroscopy or isothermal titration calorimetry.
How can one determine the acid dissociation constant (Ka) of a substance without using the pH value?
One can determine the acid dissociation constant (Ka) of a substance without using the pH value by conducting a titration experiment. In this experiment, a known concentration of the acid is titrated with a strong base of known concentration. By measuring the volume of base required to neutralize the acid, one can calculate the Ka value using the initial concentrations of the acid and base.
How can one use the dilution factor to calculate concentration effectively?
To calculate concentration effectively using the dilution factor, you can multiply the initial concentration by the dilution factor. This will give you the final concentration after dilution. The formula is: Final concentration Initial concentration x Dilution factor.
How do you calculate the concentration of a solution using Beer's Law?
To calculate the concentration of a solution using Beer's Law, you can use the formula A lc, where A is the absorbance of the solution, is the molar absorptivity of the substance, l is the path length of the cuvette, and c is the concentration of the solution. By rearranging the formula, you can solve for the concentration of the solution, c A / (l).
Hoe to calculate the concentration of polymer using refractometer?
delta n /c
Which property is used to calculate the pH of a solution?
The property used to calculate the pH of a solution is the concentration of hydrogen ions (H+) in the solution. The pH is calculated using the negative logarithm of the hydrogen ion concentration.
How will you calculate normality using specific gravity?
To calculate normality using specific gravity, you would first determine the concentration of a solution in g/mL. Then, divide the concentration by the equivalent weight of the solute to get the number of equivalents per liter. This value represents normality.
How did the use of a lower enzyme concentration affect your experiment If your experiment did not work as expected what should have happened?
Using a lower enzyme concentration would result in a slower rate of reaction because there are fewer enzymes available to catalyze the reaction. If the experiment did not work as expected, increasing the enzyme concentration could have potentially sped up the reaction and led to the expected results.
How to calculate protein concentration from absorbance at 280 nm?
To calculate protein concentration from absorbance at 280 nm, you can use the Beer-Lambert Law. This law states that absorbance is directly proportional to concentration and path length. By measuring the absorbance of the protein sample at 280 nm and using the extinction coefficient of the protein, you can calculate the concentration of the protein in the sample.
How can I use the borate buffer calculator to determine the optimal borate buffer concentration for my experiment?
To determine the optimal borate buffer concentration for your experiment using the borate buffer calculator, input the desired pH, volume of solution, and concentration of boric acid. The calculator will then provide you with the recommended borate buffer concentration to achieve the desired pH level.
How do you calculate the pH of a weak base solution?
To calculate the pH of a weak base solution, you can use the formula pH 14 - pOH, where pOH is calculated using the concentration of hydroxide ions in the solution. You can find the concentration of hydroxide ions by using the equilibrium constant expression for the weak base and solving for the hydroxide ion concentration.
How do you calculate 3.5 percent of 10.13 using a calculator?
Multiply 10.13 by 0.035
