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265810

Sigma-Aldrich

Gold

Gold

foil, thickness 0.1 mm, 99.99% trace metals basis

Synonym(s):

Gold Powder, Gold element

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1.2 G
$447.00
4.8 G
$1,390.00

$447.00


Available to ship onApril 29, 2025Details


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1.2 G
$447.00
4.8 G
$1,390.00

About This Item

Empirical Formula (Hill Notation):
Au
CAS Number:
Molecular Weight:
196.97
EC Number:
MDL number:
UNSPSC Code:
12141717
PubChem Substance ID:
NACRES:
NA.23

$447.00


Available to ship onApril 29, 2025Details


Request a Bulk Order

Quality Level

assay

99.99% trace metals basis

form

foil

resistivity

2.05 μΩ-cm, 0°C

thickness

0.1 mm

bp

2808 °C (lit.)

mp

1063 °C (lit.)

density

19.3 g/mL at 25 °C (lit.)

SMILES string

[Au]

InChI

1S/Au

InChI key

PCHJSUWPFVWCPO-UHFFFAOYSA-N

General description

Gold is one of the most popular materials to be used for neutron flux monitoring mainly because it possesses a large thermal cross section for neutron capture (197Au(η, η) 198Au. Gold has the half-life of 2.7 days.[1]Reports show that the rate of dissolution of Au is very fast in SnPb solder.[2]

Application

Gold based neutron flux monitors may use gold foils.[1] Au foils may be used to form a AuSn/Au joint system for opto-electronic chips.[2] Modified gold foil electrode may be used to study heterogeneous electron transfer properties of biological electron transfer proteins.3 Electrodeposited polycrystalline palladium-nickel alloy on gold foils may be investigated for the enhanced catalytic behavior of the alloy.[3]

Quantity

1.2 g = 25 × 25 mm; 4.8 g = 50 × 50 mm

Storage Class

11 - Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Questions

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  1. Sevilla
    • Review 1
    • Votes 0
    1 out of 5 stars.

    Wrong size

    We ordered the foil of 1.2 g, that was supposed to be 25x25mm, but the size was wrong and the foil deteriorated.

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    Helpful?

    1. Response from MilliporeSigma:

      Thank you for your review. We are sorry to hear that your experience did not match your product expectations. We encourage customers who experience problems with our products to call or email us for additional technical support. Please visit https://www.sigmaaldrich.com/US/en/support/customer-support to submit a Product Technical Inquiry.

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