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Key Documents

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:
12161600
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

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

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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Silver iodide sodalite--Wasteform/Hip canister interactions and aqueous durability
Maddrell ER, et al.
Journal of Nuclear Materials, 517, 71-79 (2019)
Silver-catalyzed low-temperature CO isotopic scrambling reaction: 12 C 16 O+ 13 C 18 O? 12 C 18 O+ 13 C 16 O
Lagunov O, et al.
Physical Chemistry Chemical Physics, 14(7), 2178-2218 (2012)

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