Anion Multi-element standard (IC), ROTI®Star 7 anions, 1000 mg/l, 100 ml, HDPEAnion Multi element standard (IC), ROTIStar 7 anions, 1000 mg l, (F , Br , Cl , NO2 , NO3 , PO43 , SO42 ) in water, Density (D) 1,006 g cm, Boiling point (bp) 100 C The standard solution is certified and can be traced to NIST standard reference solutions. The solution is produced according to ISO 17034 in an accredited environment, tested in a laboratory accredited to ISO IEC 17025 and supplied with a detailed, batch specific certificate of analysis.