Merck آلمان
Merck آلمان

FRACTOGEL EMD SO3- (M) STRONG CATION EXCHANGER, SUSPENSION IN 20% ETHANOL AND 150 MM NACL (40-90 MYM)

POTASSIUM CHLORIDE SOLUTION (NOMINAL 12.8 MS/CM) CERTIFIED REFERENCE MATERIAL ... (C=0.1 MOL/L) CERTIPUR

TELLURIUM STANDARD SOLUTION TRACEABLE TO SRM FROM NIST H6TEO6 IN HNO3 0.5 MOL/L 1000 MG/L TE CERTIPUR