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Silicon standard solution
Silicon standard 1000 mg Si, (SiCl₄ in 14% NaOH) Titrisol®
Silicon ICP standard 1000 mg/l
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
