Spectrum Chemical Molecular Sieve,Type 4

Spectrum Chemical Molecular Sieve, Type 4A, 8-12 Mesh Beads have a pore size of 4A or 4 angstrom. Any molecule larger than 4A will not be able to be adsorbed. The sequence rate of adsorption is argon, krypton, xenon, ammonia, carbon monoxide, C2H4, C2H2, CH3OH, C2H5OH, CH3CN2, CS2, CH3CL, CH3Br, and carbon dioxide. Ungraded products supplied by MilliporeSigma are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use. - SPCM (Additional S&H or Hazmat Fees May Apply)