<p>This International Standard specifies a calibration method and a standard addition method for the determination of</p>
<p>potassium and sodium contents of animal feeding stuffs by flame-emission spectrometry.</p>
<p>The standard addition method applies if it is not known whether the emissions measured for potassium or sodium</p>
<p>are subject to matrix effects. The limit of determination for potassium and sodium is 0,04 g/kg.</p>
<p>The calibration method applies if such matrix effects have been shown to be absent.</p>
Registration number (WIID)
32070
Scope
<p>This International Standard specifies a calibration method and a standard addition method for the determination of</p>
<p>potassium and sodium contents of animal feeding stuffs by flame-emission spectrometry.</p>
<p>The standard addition method applies if it is not known whether the emissions measured for potassium or sodium</p>
<p>are subject to matrix effects. The limit of determination for potassium and sodium is 0,04 g/kg.</p>
<p>The calibration method applies if such matrix effects have been shown to be absent.</p>
