Iontosorb OXIN

Chelating sorbent

It contains 8-hydroxyquinoline covalently bound by azo groups to side branches of modified bead-form Cellulose:

Chemical Structure (2172 bytes)

Beside chelating groups, Iontosorb OXIN contains only neutral hydroxy groups. The selectivity is thus exclusively determined by the reactivity of 8-hydroxyquinoline. The concentration of the active groups is 0.2 mmol/g min.

Iontosorb OXIN can be utilized in group or selective chromatographic separations of heavy and other non-ferrous metals. The high selectivity of Iontosorb OXIN makes it applicable in analyses and purifications of chelate-forming substances such as amino acids or nucleic acids.

Iontosorb OXIN in  Cu-form is a suitable adsorbent for chromatographic separations on the principles of ligand exchange (IMAC).

The sorbent capacity for chosen metals depending on pH is given in the Figure:

Capacity of Sorbent (4355 bytes)

Applications of Iontosorb OXIN

COMPLEXATION OF LABILE ALUMINIUM SPECIES BY CHELATING RESINS IONTOSORB - A NEW METHOD FOR Al ENVIRONMENTAL RISK ASSESSMENT

P. Matus, J. Kubova

Journal of Inorganic Biochemistry, 99 (2005) 1769-1778

Recoveries (%) for various Al complexes exchange by Iontosorb OXIN
Ligand (Ligand / Al ratio)Time [min]
015103060
Nitrate 0 63.5 84.0 91.1 96.8 99.2
Sulphate (1:1) 0 83.8 94.8 96.9 97.6 97.8
Fluoride (2:1) 0 53.5 62.7 65.4 68.8 69.1
Citric acid (3:1) 0 30.4 56.5 66.0 72.7 76.7
Oxalic acid (3:1) 0 32.8 39.9 45.1 53.1 54.3
NTA (3:1) 0 10.1 11.0 9.9 9.9 14.5
EDTA (3:1) 0 10.3 14.1 13.9 12.9 13.8
oxin01 Determined percentages of reactive Alr in water soil extract samples after 10 min complexation on Iontosorb OXIN
oxin02 Determinet contents of reactive Alr in water samples after 1 min complexation on Iontosorb OXIN and Iontosorb SALICYL (FA - fulvic acid)
oxin03 Determinet contents of reactive Alr in water samples after 5 min complexation on Iontosorb OXIN and Iontosorb SALICYL (FA - fulvic acid)
Recoveries (%) for various Al exchange by Iontosorb OXIN at various pH values
pHTime [min]
012510
2.5 0 24.9 37.8 44.9 68.0
3.0 0 52.6 62.1 91.2 99.5
4.0 0 88.5 99.2 98.9 99.9
5.0 0 90.8 98.9 99.2 99.0
6.0 0 92.2 99.4 99.9 99.9
Recoveries (%) for various Al complexes exchange by Iontosorb OXIN
Ligand (Ligand / Al ratio) Time [min]
012510
Nitrate 0 88.5 99.2 98.9 99.9
Sulphate (1:1) 0 86.2 95.1 97.8 98.8
Fluoride (2:1) 0 71.7 74.2 78.6 80.8
Tartaric acid (3:1) 0 45.7 51.0 61.6 64.4
Citric acid (3:1) 0 38.1 44.4 55.4 66.2
Oxalic acid (3:1) 0 35.6 37.7 41.4 48.9
NTA (3:1) 0 13.1 13.8 15.8 16.5
EDTA (3:1) 0 10.8 11.5 13.7 13.1
Fulvic acid (3:1) 0 7.7 8.8 14.5 12.1

Technical Parameters

Porozity TypeParticle Size [μm]

OXIN 100

30 - 50
50 - 80
80 - 100
100 - 250
250 - 500

OXIN 500

50 - 80
80 - 100
100 - 250
250 - 500

Where to continue?

  ↑  UP THIS PAGE.
 →  IONTOSORB SALICYL is a sorbent with fixed salicylic acid.
 →  IONTOSORB DETA is a sorbent with fixed diethylenetriamine.
 →  IONTOSORB DTTA is a sorbent with fixed diethylenetriaminetetraacetic acid.
 →  IONTOSORB EDTA is a sorbent with fixed ethylenediaminetetraacetic acid (EDTA).
 →  IONTOSORB DTPA is a sorbent with fixed diethylenetriaminepantaacetic acid (DTPA).
 →  IONTOSORB IDA is a sorbent with fixed iminodiacetic acid. Proper as a sorbent for IMAC.
 →  Test Kit for Chelating Sorbents I for Research Work
 →  Test Kit for Chelating Sorbents II for Research Work