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Selenium standard solution 1000 mg/l Se
Selenium standard solution 1000 mg/L
Selenium ICP standard traceable to SRM from NIST SeO2 in HNO3 2-3% 1000 mg/l Se Certipur®
Rhodium ICP standard 1000mg/L As
Refractive index standard traceable to NIST, traceable to PTB, [α]/D 60°, Brix CERTIPUR®
Refractive index standard traceable to NIST, traceable to PTB, [α]/D 40°, Brix CERTIPUR®
Refractive index standard traceable to NIST, traceable to PTB, [α]/D 20°, Brix CERTIPUR®
Potassium standard solution 1000 mg/l K
Potassium hydroxide solution c(KOH) = 0.1 mol/l (0.1 N), concentrate for preparing 1000 mL volumetric solution for titration, Titrisol®
Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=0.01 mol/l) Certipur
Potassium ICP standard 1000 mg/l
