The simplicity of the circuit and its independence of external current sources contribute importantly to operating stability. ... The instrument can also be utilized for direct readings by employing the switches shown in the wiring diagram. ... Spectro- scopically pure sodium and potassium salts can be obtained from Jarrell -Ash, Boston, Mass. or Johnson, Matthey ... used for reading sodium in plasma diluted 1/200. ... b Solutions used for reading potassium in plasma diluted 1/200 to 1/50.
|Title||:||Symposium on Flame Photometry|
|Author||:||American Society for Testing Materials|
|Publisher||:||ASTM International - 1952|