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Fatma Youssef Marouf: Silver

This document summarizes information about silver, including its characteristics, common isotopes and compounds, and various applications. Silver is a soft, white transition metal that is more abundant than gold and highly conductive. It occurs naturally as a pure metal and in minerals. Most silver is produced as a byproduct from other metal refining. Silver has long been used as currency and in jewelry, tableware, photography, electrical contacts, medical disinfectants, and other applications due to its conductive and antimicrobial properties.

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18 views4 pages

Fatma Youssef Marouf: Silver

This document summarizes information about silver, including its characteristics, common isotopes and compounds, and various applications. Silver is a soft, white transition metal that is more abundant than gold and highly conductive. It occurs naturally as a pure metal and in minerals. Most silver is produced as a byproduct from other metal refining. Silver has long been used as currency and in jewelry, tableware, photography, electrical contacts, medical disinfectants, and other applications due to its conductive and antimicrobial properties.

Uploaded by

mohamed.sa3ed.148
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Silver

By
Fatma Youssef Marouf
B.SC.student(Special Chem.)

Supervised By

Prof .Dr. El-Hossene Mowed


Prof. of Analytical Chemistry
Chemistry department
Faculty of science
Damietta University
2016 /2017
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Content:

i. Characteristics
ii. Isotopes
iii. Compounds
iv. Application
v. Currency
vi. Jewelry and silverware
vii. Solar energy
viii. Air conditioning
ix. Water purification
x. Dentistry
xi. Photography and electronics
xii. Glass coatings
xiii. Windows
xiv. Occurrence and extraction
xv. Occupational safety and health
xvi. Reference

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Silver
Silver is the metallic element with the atomic number 47. Its symbol is

Ag, from the Latin argentum, from a PIE root reconstructed as *h₂erǵ-

,"grey" or "shining". A soft, white, lustrous transition metal, it Possesses the

highest electrical conductivity, thermal conductivity, and reflectivity of any

metal. The metal occurs naturally in its pure, free form (native silver), as an

alloy with gold and other metals, and in minerals such as argentite and

chlorargyrite. Most silver is produced as a byproduct of copper, gold, lead,

and zinc refining.

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Silver has long been valued as a precious metal. More abundant than

gold, silver metal has functioned in many premodern monetary systems as

coinable specie, sometimes even alongside gold. Its purity is typically

measured on a per-mille basis; a 94%-pure alloy is described as "0.940 fine".

In addition, silver has numerous applications beyond currency, such as in

solar panels, water filtration, jewelry and ornaments, high-value tableware

and utensils (hence the term silverware), and also as an investment in the

forms of coins and bullion. Silver is used industrially in electrical contacts

and conductors, in specialized mirrors, window coatings and in catalysis of

chemical reactions. Its compounds are used in photographic film and X-rays.

Dilute silver nitrate solutions and other silver compounds are used as

disinfectants and microbiocides (oligodynamic effect), added to bandages

and wound-dressings, catheters and other medical instruments.

Silver, 47Ag

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