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44310

Sigma-Aldrich

AmberChrom™ 1X4 氯化物形式

chloride form, 50-100 mesh

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别名:
Dowex 1X4，Cl（−）-型，强碱性
线性分子式:
(C10H12 · C10H10 · C8H8 · C3H9N)X
CAS号:
69011-19-4
MDL编号:
MFCD00146764
NACRES:
NA.56

质量水平

100

描述

cross-linkage 4%

形式

beads

参数

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

湿度

>50%

technique(s)

LPLC: suitable

缺失

~55% loss on drying, 110 °C

基质

styrene-divinylbenzene (gel)

基质活性基团

SAX

粒径

50-100 mesh

operating pH

0-14

容量

1.0 meq/mL capacity

分离技术

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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应用

Dowex 1X4氯化物形式是一种用于精细药品的强碱性（I型）阴离子交换树脂。Dowex 1X4离子交换剂已用于从水相中去除碘化对比介质（ICM）和水污染物，这表明了在水生环境中使用的去除方法。Dowex 1X4还用于测定牛奶中重金属（钙、镁、铁和锌）的分配。
用于精制药物的强碱性(I 型)阴离子交换树脂;满足 FDA 食品添加剂法规 21 CFR 173.25 的要求。

法律信息

Amberchrom is a trademark of DuPont de Nemours, Inc.

储存分类代码

11 - Combustible Solids

WGK

WGK 2

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

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

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

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  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.

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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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