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Sigma-Aldrich

AmberChrom™ 1X4 Ion Exchange Resin

chloride form, 50-100 mesh

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Synonym(s):
Dowex 1X4, Cl(−)-form, strongly basic
Linear Formula:
(C10H12 · C10H10 · C8H8 · C3H9N)X
CAS Number:
69011-19-4
MDL number:
MFCD00146764
UNSPSC Code:
47101511
NACRES:
NA.56

product name

AmberChrom™ 1X4 chloride form, chloride form, 50-100 mesh

Quality Level

100

description

cross-linkage 4%

form

beads

parameter

66 °C OH- form max. temp.
99 °C Cl- form max. temp.

moisture

>50%

technique(s)

LPLC: suitable

loss

~55% loss on drying, 110 °C

matrix

styrene-divinylbenzene (gel)

matrix active group

SAX

particle size

50-100 mesh

operating pH

0-14

capacity

1.0 meq/mL capacity

separation technique

anion exchange

InChI

1S/C10H12.C10H10.C8H8.C3H9N/c2*1-3-9-7-5-6-8-10(9)4-2;1-2-8-6-4-3-5-7-8;1-4(2)3/h3,5-8H,1,4H2,2H3;3-8H,1-2H2;2-7H,1H2;1-3H3

InChI key

HADXLRSCRPYPJJ-UHFFFAOYSA-N

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Application

Dowex 1X4 chloride form is a strongly basic (type I) anion exchange resin for fine pharmaceuticals. Dowex 1X4 ion exchangers have been used to remove iodinated contrast media (ICM), water pollutants, from the water phase, suggesting a removal method for use in aquatic environments. Dowex 1X4 has also been used to determine partitioning of heavy metals (Ca, Mg, Fe and Zn) in cow milk.
Strongly basic (type I) anion exchange resin for fine pharmaceuticals; meets requirements of FDA Food Additive Regulation 21 CFR 173.25.

Legal Information

Amberchrom is a trademark of DuPont de Nemours, Inc.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. How can a Dowex type 1 resin in the chloride form be converted to the carbonate form?

    As one might expect, the procedure requires the use of sodium carbonate (Na2CO3).Citation: Journal of Experimental Medicine, 120, 1007-1018 (1965).From page 1011 of that paper:"A 2 mL column of washed Dowex-1X8 200 to 400 mesh, in the chloride form, was converted to the carbonate form by washing with 1 M Na2CO3 until no chloride could be detected in the eluate. It was then washed with distilled water until the pH of the eluate reached neutrality". The simplest test for chloride is to use a dilute silver nitrate solution. If mixing a few drops of the eluate with a few drops of a silver nitrate solution results in a silver chloride precipitate forming, that would an indication that the eluate contains chloride. You could also use a chloride-specific electrode, if you have access to one.

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    Ask a Scientist here.

Pawel Pohl et al.
Talanta, 71(2), 715-721 (2007-02-15)
An operationally defined fractionation protocol was developed to study the partitioning of Ca, Mg, Fe and Zn in UHT cow milks. The method was based on sorption of distinct metal species by two ion exchange columns, namely strong cation exchanger
Michelle Caetano et al.
Journal of colloid and interface science, 338(2), 402-409 (2009-08-15)
The removal of phenol from aqueous solution was evaluated by using a nonfunctionalized hyper-cross-linked polymer Macronet MN200 and two ion exchange resins, Dowex XZ (strong anion exchange resin) and AuRIX 100 (weak anion exchange). Equilibrium experimental data were fitted to
Isabella Rustighi et al.
Journal of hazardous materials, 205-206, 10-16 (2012-01-17)
Iodinated contrast media (ICM) are persistent and ubiquitous water pollutants. Because of their high water solubility and biochemical stability, their phase-separation and recovery from the aquatic environment is very difficult. Here, borate was chosen as a complexing agent of the

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