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Electron Microscopy Sciences Sym-Collidine, Reagent, pH 7.4 100 ML
SDP

Supplier:  Electron Microscopy Sciences 11520

Encompass_Preferred

(2,4,6-Collidine; 2,4,6-Trimethylpyridine)
CAS #108-75-8 (C₅H₂N)(CH₃)₃ F.W. 121.18
Assay: 99%

Sym-Collidine is used in combination with osmium tetroxide to provide excellent fixation and stable buffering. Since the pH does not change when distilled water or osmium tetroxide solution is added, isotonic or hyper-tonic solutions can be made without recoursing the other solutes. Tissues treated with Sym-Collidine have an excellent, uniform consistency. Uranyl acetate stains very well and lead stain is not too intense.

The buffers are prepared fresh for each order and conveniently packaged. Desired pH should be specified when ordering.
pH: 7.4

Catalog No. 50-980-225


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