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382280

Sigma-Aldrich

Silver-exchanged zeolite

granular, +20 mesh

Synonym(s):

Ag

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About This Item

Linear Formula:
Ag84Na2[(AlO2)86(SiO2)106] · xH2O
MDL number:
UNSPSC Code:
12352300
NACRES:
NA.22

form

granular

Quality Level

composition

Ag, 35%

reaction suitability

core: silver
reagent type: catalyst

particle size

+20 mesh

mp

>500 °C (lit.)

density

1.07 g/mL at 25 °C (lit.)

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General description

Silver-exchanged zeolite selectively removes halogens from gas streams and also serves as catalyst.

Application

Silver-exchanged zeolite is used:
  • As a catalyst in the low-temperature CO isotopic scrambling reaction.
  • To capture radioiodine from the vapor phase, which is then thermally converted into silver sodalite.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Inhalation - Eye Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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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Silver iodide sodalite--Wasteform/Hip canister interactions and aqueous durability
Maddrell ER, et al.
Journal of Nuclear Materials, 517, 71-79 (2019)

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