COPPER AND SILVER (1B)

Group 1B are also known as?

Can occur in free metal states and veru malleable and easy to recover from ore

Syn of Copper

• Only reddish metal
• 3rd most malleable metal
• 2nd best conductor
• Component of HEMOCYANIN (respiratory pigment) and cytochrome oxidase

2 important of copper alloys

Cu +Zn

Cu + Sn

• Protein precipitant
• Enhances physiological utilization of iron

Toxicity of Copper

Antidote for Copper

• CuSO4.5H2O
• blue vitriol, blue stone, Roman vitriol, Salzburg vitriol

• Component of Benedict’s, Barfoed’s and Fehling’s ingredient
• Antidote for Phosphorous poisoning
• Ingredient of Bordeaux mixture

• Cu3(AsO3)2.Cu(C2H3O)2
• Paris Green (Insecticide)

• Hatchett’s brown
• Antringent (8%)

“Scheele’s green”

Silver is also known as

• Oligodynamic property (germicidal action)
• Protein ppt
• Best conductor of electricity
• 2nd malleable metal

Toxicity of silver

Antidote for Argyria

• Treatment of warts
• Eye antiseptic for newborn babies of mother with gonorrhea
• Wet dressing for 3rd degree burn at 0.5%

Lapiz infernulariz, lunar caustic, indelible ink, caustic pencil

• Ag(NH3)2NO3
• Howe’s solution
• Dental protective
• Desensitizing agent
• Tollen’s rgt

Mild Silver Proteinate (19-25% antiseptic) and Eye antiseptic, for
vaginitis

Strong Silver Proteinate(7.5-8.5% germicidal) and Germicide for ear and
throat

Colloidal Silver Proteinate (18-22% gen. germicidal) and General germicide

Colloidal Silver Chloride and *silver protein stabilizer:
Disodium EDTA