Item: 44340 is not assigned an expiration date or recommended retest date. Products with no expiration date or recommended retest date should be routinely inspected by customers to ensure they perform as expected. These products are also subject to a one-year warranty from the date of shipment. For more information, you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/life-science/quality-and-regulatory-management/quality-services.
44340
AmberChrom™ 1x8 chloride form
chloride form, strongly basic, 200-400 mesh
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100 G
US$ 335,00
500 G
US$ 1.150,00
2.5 KG
US$ 4.410,00
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100 G
US$ 335,00
500 G
US$ 1.150,00
2.5 KG
US$ 4.410,00
About This Item
Fórmula lineal:
(C10H12 · C10H10 · C8H8 · C3H9N)X
Número de CAS:
MDL number:
UNSPSC Code:
47101511
NACRES:
NA.56
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Quality Level
description
cross-linkage 8%
form
beads
parameter
66 °C OH- form max. temp.
moisture
39-45%
loss
~40% loss on drying, 110 °C
matrix
styrene-divinylbenzene (gel)
particle size
200-400 mesh
operating pH
0-14
capacity
1.2 meq/mL by wetted bed volume
SMILES string
N(C)(C)C.C(C)c3c(cccc3)C=C.c2(c(cccc2)C=C)C=C.c1(ccccc1)C=C
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
Resina de intercambio aniónica fuertemente básica (tipo I) para el procesamiento químico fino; cumple los requisitos de la normativa 21 CFR 173,25 de la FDA sobre aditivos alimentarios.
AmberChrom™ 1X8 chloride form is a strongly basic (type I) anion exchange resin for fine chemical processing. AmberChrom™ has been used to determine trace levels of rhodium and platinum in environmental biological samples.
Legal Information
Amberchrom is a trademark of DuPont de Nemours, Inc.
Storage Class
10 - Combustible liquids
wgk_germany
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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1,5-Bis[(2-pyridyl)-3-sulphophenyl methylene] thiocarbonohydrazide (PSTH) immobilized on an anion-exchange resin (Dowex) has been used for the on-line preconcentration of mercury from biological samples and waters prior to its determination by inductively coupled plasma atomic emission spectroscopy. The metal was eluted from
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Could you please provide us the expiry date of batch MKCD9631?
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How can a Dowex type 1 resin in the chloride form be converted to the carbonate form?
1 answer-
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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What is the Department of Transportation shipping information for this product?
1 answer-
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.
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