Merck آلمان
Merck آلمان

COBALT STANDARD SOLUTION TRACEABLE TO SRM FROM NIST CO(NO3)2 IN HNO3 0.5 MOL/L 1000 MG/L CO CERTIPUR

3-(TRIMETHYLSILYL)PROPIONIC ACID-D4 SODIUM SALT DEUTERATION DEGREE MIN. 98% FOR NMR ... MAGNISOLV(TM)