Q: What is the advantage of the standard addition method?

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The major disadvantages of the standard addition calibration method are that: 1) More time consuming 2) More laborious 3) Slightly more intense mathematical exercise required to obtain your final results

You need two equations to use the addition method.

Column method can be used for both !

analytical method.

analytical method.

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The definition of "standard algorithm" is that it is a mathematical method used to solve problems such as addition, substraction, division, and multiplication.

The advantage of this theory is that it has stages. In addition, the uniformed public services has groups that go through these stages.

The standard addition would be used when determining the concentration of a sample because of matrix effect problems (matrix effect occurs when unknown sample contains many impurities).

The major disadvantages of the standard addition calibration method are that: 1) More time consuming 2) More laborious 3) Slightly more intense mathematical exercise required to obtain your final results

For a calibration curve method it is required that the composition (matrix) of standard and sample is nearly identical.when it is impossible to match the composition of the sample with the standard.we use standard addition method.

With using a standard addition method the influence of matrix presented in sample is reduced.But standard addition corrects only for multiplicativeinterferences (changes in calibration curve slope), not additive interferences (changes in calibration intercept, such as spectral interferences). See http://terpconnect.umd.edu/~toh/models/Bracket.html

what is the advantage of potassium iodate as aprimary standard

Winkler Method is a classical method(titration method) for determine the dissolved oxygen(BOD).

You need two equations to use the addition method.

what are the advantage of and disadvantage of sampling method

It has no advantage.

Column method can be used for both !