Beschrijving
ICP-MS Multi-Element Standard Solution CR-75 is a ROTI®Star multi-element standard containing six elements in 1 % HNO3. The stated composition comprises Ca (80), Fe (0,2), K (5), Li (0,01), Mg (20) and Na (25). The solution has a density of approximately 1 g/cm³ and a boiling point of 100 °C, in line with a dilute nitric acid matrix. The pack size is 1 liter for laboratory use as an ICP-MS multi-element standard. UN number 3264 is given for this nitric acid solution. Analytical laboratories can introduce calcium, iron, potassium, lithium, magnesium and sodium together from this six-element mix in 1 % HNO3. The CR-75 ROTI®Star designation places the solution in the ICP-MS standard range from manufacturer Carl ROTH. Density of about 1 g/cm³ and the boiling point of 100 °C characterise the aqueous 1 % HNO3 medium. The 1 liter unit quantity supports preparation of working solutions for ICP-MS determination of the six named elements. Documentation can combine the CR-75 identity, the six-element list, density, boiling point and UN number with the 1 liter pack.
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