Inorganic Chemistry Review Notes

Water Types in Pharmacy

• Sterile Water of Injection, USP: Free from pyrogens; used for injections.
• Water for Injection, USP: Not sterile, used for making sterile solutions.
• Bacteriostatic Water for Injection, USP: Contains preservatives; suitable for multiple doses.
• Purified Water, USP: Used in the manufacture of pharmaceuticals, not suitable for injections.

Tests in Inorganic Chemistry

• Test for Pyrogens/Bacterial Endotoxins:
  • Limulus Amoebocyte Lysate Test: Most common for detecting endotoxins.
• Tests for Nitrates:
  • Brown Ring Test: Used to identify nitrates in compounds.

Acids and Their Uses

• Oil of Vitriol:
  • Sulfuric Acid: Commonly known as Oil of Vitriol; strong acid used in various chemical processes.
• Acid in the Stomach:
  • Hydrochloric Acid: Key component in gastric juice, aids digestion.

Buffers

• Isotonic Buffer:
  • Phosphate Buffer: Maintains pH in biological systems.

Metals and Their Chemical Properties

• Amphoteric Metals:
  • Aluminum and Zinc can react with both acids and bases.
• Hard Water Cations:
  • Calcium and Magnesium contribute to water hardness.

Chemical Equations

• Auto-ionization of Water:
  • $H<em>2O + H</em>2O \rightarrow H_3O^+ + OH^-$ (auto-protolytic effect), shows self-ionization of water.

Elements Classification

• Crystallogens:
  • Group IVA; includes carbon and silicon.
• Icosagens:
  • Group IIIA; includes aluminum and gallium.
• Pnictogens:
  • Group VA; includes nitrogen and phosphorus.

Antidotes for Poisoning

• Cyanide Poisoning Antidotes:
  • Amyl Nitrite, Sodium Nitrite, Sodium Thiosulfate, Hydroxocobalamin are key agents used in treatment.

Applications and Effects of Metals

• Bismuth: Used for treatment as antacid and protective agent in triple therapy for Helicobacter pylori.
• Gold: Used in rheumatoid arthritis treatment.
• Copper: Toxic in excess; Wilson’s disease relates to copper poisoning.
• Silver: Effective in treating burn-related infections.

Toxicity and Environmental Effects

• Itai-itai disease: Caused by cadmium poisoning, impacts bone health.

Light Emission and Color Indication

• Crimson Red Flame:
  • Produced by Lithium; characteristic color in flame tests.

Chemical Forms of Phosphorus

• Toxic Forms of Phosphorus:
  • White Phosphorus is known for high toxicity and health hazards.

Antiperspirants and Skin Reactions

• Granuloma Causing Antiperspirant:
  • Aluminum has been associated with potential skin issues.

Colloids in Pharmacy

• Hydrated Aluminum Silicate:
  • Bentonite is used in pharmaceuticals as a suspending agent.