PSS - Polmer Standards Service

L20

Dihydroxypropane groups chemically bonded to porous silica particles, 3 to 10µm in diameter.

PROTEEMA

L21

A rigid, spherical styrene-divinylbenzene copolymer, 5 to 10 µm in diameter.

SDV

L22

A cation group resin made of porous polystyrene gel with sulfonic acid groups, about 10 µm in size.

MCX

L23

An ion exchange resin made of porous polymethacrylate or polyacrylate gel with quaternary ammonium groups, about 10 µm in size.

NOVEMA MAX

L25

Packing having the capacity to separate compounds with a MW range from 100 to 5 000 Da (as determined by polyethylene oxide), applied to neutral, anionic and cationic water-soluble polymers.

SUPREMA (30/100 Å), NOVEMA MAX

L33

Packing having the capacity to separate proteins by molecular size over a range of 4 000 to 400 000 Da. It is spherical, silica-based, and processed to provide pH stability.

PROTEEMA (100 Å)

L37

Polymethacrylate gel packing having the capacity to separate proteins by molecular size over a range of 2 000 – 40 000 Da MW.

SUPREMA (30 Å)

L38

Methacrylate-based size exclusion packing for water-solubles.

SUPREMA

L39

Hydrophilic polyhydroxymethacrylate gel of totally porous spherical resin

SUPREMA

L58

Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the sodium form, about 6 to 30µm diameter.

MCX

L59

Packing having the capacity to separate proteins by molecular weight over the range of 5 to 7 000 kDa. It is spherical (5 - 10µm), silica-based, and processed to provide hydrophilic characteristics and pH stability.

PROTEEMA (300 Å)