[Raymondo]

Does anyone use ultraprep from Prochem, for us it one of our main TLC.

Prochem have changed the formulation its the same dilution rate.


New
http://www.prochem-uk.com/shopimages/pdf/sdss888.pdf

Old
http://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0CCYQFjAB&url=http%3A%2F%2Fsystemhygiene.co.uk%2Fimages%2Fpictures%2Ftype-image-category-name-here%2Fdownload-prochem-ultraprep-coshh.pdf&ei=1fA2VJWTBaL-ygPe2YKQDQ&usg=AFQjCNFgyHCHPufAhdQSQ3K_EEY79apWng

I am no chemist I am trying to work what changed.

[john martin]

I would say different buffering agent and the addition of another wetting agent ...
why ?  could be just tweaking or improving a bit or perhaps complying with stricter regulations or something .

[COLIN BRIGHT]

Not quite sure what the point of your question is?