Application of Echelle Spectrographs to Quantitative Analysis of Boron

The determinations were made on six routine samples which were in the concentration range covered by both methods. Table V. Determination of Tantalum...
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ANALYTICAL CHEMISTRY

1034 Table IV.

Repetitive Determinations Made on Same Sample Molybdenum

1.10-

Tantalum Manganese

u

0.189 0.182 0 173 0 181 0 184 0.183 0.194 0.200 0 184 0.181 0.191 0.181

1.56 1.59 1.58 1.67 1.70 1.71 1.57 1.59 1.63 1.62 1.72 1.76

0 0068

0 068

R deviation 3 7

Cobalt

biurn 0.67

0,154 0 161 0.154 0 156 0 160 0 I57 0.173 0.173 0.163 0.169 0 169 0 170 0 0072

4 2