GF AAS Multi-Element Standard Solution, ROTI®Star, 100 ml, HDPEGF AAS Multi Element Standard Solution, ROTIStar, XVIII, 16 elements in 5 % nitric acid, Density (D) ~1 g cm, Boiling point (bp) >83 C, UN Nr. 3264 Multi Element Standards for Graphite Furnace AAS This multi element standard is produced from ultra pure raw materials and in accordance with strict quality guidelines. The traceability and standard reference material of the NIST is documented on the comprehensive certificate of analysis. The standard is