Prac Classes Safety

Prac Classes Safety

·  M-13 Heat treatment and hardenability of steels for undergraduate

Students enrolled in MTE3502

·  M-14 Martensitic Phase transformations for undergraduate students

enrolled in MTE3502

·  M-17 Practical for undergraduate students enrolled in MTE 2545

Preparation and Storage of Chemicals

·  Preparation, handling and use transport, storage and disposal of Nitric acid: Methanol electropolishing solutions with concentrations of up to 33% :67% Nitric acid: Methanol

·  Preparation and use: 25% Orthophosphoric acid in 25% ethanol plus 50% distilled water for electrolytic polishing copper and copper with alumina composite

·  Preparation and use of aqueous sodium metabisulfite etchant for steels. Use of 1-10% solutions of sodium metabisulfite in distilled water.

·  Preparation, use and storage of up to 5% Nitric acid in ethanol solution.

·  Preparation and metallographic etching of TI6AL4V alloy. Reagent contains potassium hydroxide (solid-8g), hydrogen peroxide (35%-10ml) and water (60ml).

·  Preparation, use and storage of Marbles reagent and Nickel etchant both containing (cupric sulphate, hydrochloric acid and water).

·  Preparation, use and storage of acid-ferric chloride etchant (ferric chloride, hydrochloric acid and water).

·  Preparation , use and storage of stainless steel etchant (cupric sulphate, hydrochloric acid and ethanol)

·  Preparation, handling, transport, storage, disposal and use of perchloric acid: methanol electropolishing solutions with concentrations of up to 33%:67% perchloric acid: methanol.

·  Preparation use and storage of alcoholic-ferric chloride etchant (ferric chloride, hydrochloric acid and ethanol).

·  Preparation use and storage of sodium hydroxide in methanol solution

·  Handling and storing of the following chemicals: sulphuric acid (98% minimum) potassium permanganate(s) dry orthophosphoric acid (99% minimum) acetone, hydrogen peroxide ( 30%).

·  Preparation handling, transport, storage, disposal and use of potassium iodide: methanol relief etching solutions with concentrations of up to 5%-95% potassium iodide: methanol.

·  Preparation of solution containing nitric acid and methanol

·  Preparation of solution containing picric acid, acetic acid, water and ethanol.

·  Preparation of cleaning solution for magnesium alloys using chromium trioxide, silver nitrate, barium nitrate and water.

·  Preparation and use of OP-S, H2O2, NH3 for polishing of titanium alloys.

·  Preparation use and storage of chromic acid etchant (chromic acid, hydrochloric acid, sulphuric acid, ammonium chloride and water).

·  Preparation and usage etchant containing hydrochloric acid, nitric acid and sodium hydroxide.

·  Use of tetrachloroethylene for density test.

·