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The SA-2 has sulfonic group (-SO3H) in the styrene-diethylene benzene copolymer. It is used in the extraction of various amino acids, including lysine, glutamic acid, glutamine, etc.
Product: SA-2 Polystyrene Gel Strong Acid Cation Exchange Resin
Description:
The SA-2 has sulfonic group (-SO3H) in the styrene-diethylene benzene copolymer. It is used in the extraction of various amino acids, including lysine, glutamic acid, glutamine, etc.
Physical and Chemical Performance Indicators
|
Polymer structure |
Gel polystyrene crosslinked with divinylbenzene |
|
Exterior |
Brown yellow to brown grey color beads |
|
Functional group |
-SO3H |
|
Ionic form |
Na+ |
|
Mass exchange capacity (mmol/g) |
≥ 4.5 |
|
Volume capacity (mmol/l) |
≥ 2.00 |
|
Particle size（0.315-1.25）mm |
≥ 95% |
|
moisture（%） |
42.0 - 48.0 |
|
Bulk density（g/ml） |
0.80 - 0.88 |
|
Sphericity after attrition % |
≥ 90 |
|
Max swelling rate（%） |
Na+ → H+ 6 - 8 |
|
PH Scope of use |
1-14 |
|
Maximum use temperature °C |
H+ 100 Na+ 120 |