Table 10 Results of the examination of the linear relationships between concentrations in different media and absorption Values.
Medium | Linear equation | Correlation coefficient | Intercept | Sum of squares of variance |
|---|---|---|---|---|
0.1 N Hydrochloric Acid | y = 22.119x − 0.0048 | 0.9995 | 0.0048 | 1.811E-05 |
pH 4.5 | y = 19.248x − 0.0041 | 0.9994 | 0.0041 | 2.405E-05 |
pH 5.5 | y = 12.493x − 0.0025 | 0.9994 | 0.0025 | 1.183E-05 |
pH 6.0 | y = 10.555x − 0.0031 | 0.9994 | 0.0031 | 7.189E-06 |
pH 6.8 | y = 0.4845x − 0.0007 | 0.9999 | 0.0007 | 4.654E-05 |
