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To prepare the standard curve you will need linear graph paper, semi-log graph paper and absorbance. You can define your standard curve by finding the absorption or percent plot on the Y axis.

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What is the formula on how to find starch in water?

To find the concentration of starch in water, you can use a spectrophotometric method by measuring the absorbance of the solution at a specific wavelength. Prepare a standard curve using known concentrations of starch solutions to correlate absorbance with concentration. Then, measure the absorbance of your sample and use the standard curve to determine the starch concentration.


How calibration curve is obtained using flame spectrophotometer?

A calibration curve for a flame spectrophotometer is obtained by measuring the absorbance of a series of standard solutions with known concentrations of the analyte. The instrument records the absorbance values at specific wavelengths. By plotting the absorbance against the concentration of the standard solutions, a linear calibration curve is achieved. This curve can then be used to determine the concentration of an unknown sample based on its absorbance value.


What is the minium purity of a substance used to prepare a primary standard?

The minimum purity of a substance used to prepare a primary standard should be at least 99.8% to ensure accuracy and reliability of the standard solution. Impurities in the substance can lead to errors in the final concentration calculations.


How do you calculate molecular weight in electrophoresis?

To calculate the molecular weight of a protein in electrophoresis, you would use a standard curve generated with protein standards of known molecular weights run on the same gel. By plotting the migration distance of the standard proteins against their known molecular weights, you can then determine the molecular weight of your protein of interest based on its migration distance on the gel in comparison to the standard curve.


How does the bell curve relates to the empirical rule?

The bell curve, also known as the normal distribution, is a symmetrical probability distribution that follows the empirical rule. The empirical rule states that for approximately 68% of the data, it lies within one standard deviation of the mean, 95% within two standard deviations, and 99.7% within three standard deviations when data follows a normal distribution. This relationship allows us to make predictions about data distribution based on these rules.

Related Questions

Is the standard normal curve non symmetrical?

The standard normal curve is symmetrical.


What is the area under the standard normal curve?

the standard normal curve 2


He area under the standard normal curve is?

The area under the standard normal curve is 1.


What is the mean of standard normal curve?

The mean of a standard normal curve is 0. This curve, which is a type of probability distribution known as the standard normal distribution, is symmetric and bell-shaped, centered around the mean. Additionally, the standard deviation of a standard normal curve is 1, which helps define the spread of the data around the mean.


What is the formula on how to find starch in water?

To find the concentration of starch in water, you can use a spectrophotometric method by measuring the absorbance of the solution at a specific wavelength. Prepare a standard curve using known concentrations of starch solutions to correlate absorbance with concentration. Then, measure the absorbance of your sample and use the standard curve to determine the starch concentration.


What are the properties of a standard normal curve?

It is a normal curve with mean = 0 and variance = 1.


What is the mean and standard deviation for the standard normal curve?

Mean = 0 Standard Deviation = 1


What is the purpose of making a standard curve?

The values of many curves cannot be calculated analytically: the process requires painstaking numerical estimation. The values of a standard curve can be calculated once and published for ready reference. This means that, given any other curve in the same family, it is possible to transform it to the standard curve and the reference values can be used.


What is the value of standard curve?

0.1% ascorbic acid


What is the standard deviation of the stardard normal curve?

1


Is normal curve symmetrical about its standard deviation?

nop its not


What is the difference between a general normal curve and a standard normal curve?

A standard normal distribution has a mean of zero and a standard deviation of 1. A normal distribution can have any real number as a mean and the standard deviation must be greater than zero.