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 Wysłany: Nie 0:55, 12 Gru 2010 Temat postu: stivali ugg Excel Linear least squares calibration |
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Excel Linear least squares calibration of Uncertainty
El6 cell type \average;: 114B16SUM (B2B15 ink. (7) in a cell type called \(mg / L) (mg / L )(%)( mg / L) (mg / L) (mg / L )(%)( mg / L) 30.10051.640.095.30.1810.33855. 510.132.40.2630.3o054.890.081.70.1620.33855.510.101.70.2030.50058.140.081.00.1650.33855.510.071.20.1430.7o0511. 390.090.80.1880.33855.510.061.00.1230.900514.650.110.70.22100.33855.510.051.00.10 (8) in cell F2, type \A $ B $ 17) 2 \obtain Σ (zi I values. (9) in cell F17 and B19, respectively, enter the measured solution, the number of atomic absorption measurement P (eg 3 times), and the average absorbance obtained for the obS,stivali ugg, according to linear equation (3), in cell D19, type \Enter \+1 / 1317) + (D19 a B17) 2/F16) \B20/D19 \Data on the spreadsheet the alignment of, digital display digits and display settings on this form is no longer description. If the other component of uncertainty can be neglected in cell F20, enter \Meet the conditions for any measurements necessary to calculate,ugg prezzo, as long as B19 in cell F17 and enter the parallel testing of samples of excessive TH: This is the amount of P times the number of P and the mean absorbance Yoks, can be measured concentration estimate. red and measurement expanded uncertainty U (. red). Table 2, Table 3 is calculated using different number of P and different parallel measurement of absorbance corresponding to the mean as an estimate of the measured concentration. red and measurement expanded uncertainty U (. red) (k = 2). Third, the concluding remarks for a similar measure as long as minor changes in Table 2,ugg boots billig, the results can be obtained by any of the expanded uncertainty of measurement u. For example, if the same is blank zero, respectively, 6 kinds of standard solution of two parallel measurements to find the regression equation,tory burch sale, then you can copy the table 2, only B2 ~ B15 and C2 ~ C15 cell modification of data about to: If the standard solution is not measured but three times, twice or once in parallel, just in each. Under 32 can then insert or delete a row. If the standard is greater than or less than 6 of 6 from the 15 lines can be inserted or deleted several lines, then the formula related to the cell to copy or modify, is very convenient and quick. References [1] Shen-An editor. Uncertainty in interpretation of inspection of goods cases, Beijing: China Metrology Press, 200l [2 Chinese National Laboratory Accreditation Committees,ugg boots günstig, chemical analysis of uncertainty in assessment guide. Beijing: China Metrology Publishing House, 2o02 [3] Han Yongzhong. By atomic absorption spectrometry ceramics Analysis of uncertainty in the release of cadmium. Physical Testing of a Chemical Analysis, 2000 (11) * 57 *
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