Turbidity Meters
Sigma Aldrich Fine Chemicals Biosciences Real CrystalR IR sample ca
Inexpensive and disposable perform like traditional salt plates and are ideal for liquids mulls casting films from SOLUTIONons and pyrolysis samples.These cards provide a conveniently mounted non-absorbing substrate for qualitative infrared analysis. Substrates are impervious to atmospheric moisture. Optional square crystal cover slips may be used with 19 mm aperture cards to sandwich sample between window in sample card and cover slip for mulls and liquid samples.NaCl KBr or KCl windowsThree apertures 9.5 15 and 19 mmTransmission 80% for 15 and 19 mm 70% for 9.5 mm aperturesOptional crystal cover slips (for 19 mm aperture only) facilitate running mulls and liquidsCard size 2 x 4 in. fit universal slide mount of any spectrometer
Sigma Aldrich Fine Chemicals Biosciences Ni SepharoseR 6Fast Flow C
Ni Sepharose(R) 6 Fast Flow is a BioProcess medium that combines the advantages of Ni?? for purification of histidine tagged proteins with the well industrially established properties of the Sepharose(R) Fast Flow platform.Ni Sepharose(R) 6 Fast Flow is a member of the Cytiva range of IMAC chromatography media for capture and intermediate purification.Ni Sepharose(R) 6 Fast Flow is composed of cross-linked 6% agarose beads modified with a novel chelating ligand immobilized to the base matrix and pre-charged with Ni2? ions for purification of histidine tagged proteins. The coupling chemistry and the novel ligand is designed to give minimal ligand and Ni2? leakage while providing high capacity..Ni Sepharose(R) 6 Fast Flow is available in a range of different bulk pack sizes and convenient pre-packed formats for easy scale-up and process development. As a member of the BioProcess media range Ni Sepharose(R) 6 Fast Flow meets industrial demands with security of supply and comprehensive t