Potassium Permanganate (KMnO4), Sodium Nitrite
(Na2NO3), Ammonium Molybdate [(NH4)2 Mo2O7],
Ammonium Phosphate [(NH4)3 PO4], Potassium
Nitrate (K2NO3), Phenolphthalein Solution, Rectified
spirit or methyl alcohol, Sodium Hydroxide (NaOH),
Hydrofluoric Acid (HF), Perchloric Acid (HClO4),
Sulphurous Acid, ,Hydrobromic Acid (HBr) , other
chemicals and reagent as applicable
9 Hot plate, Conical flask
Reagents:
silver nitrate, ammonium persulphate sodium arsenite
solution, Dilute Nitric Acid, Phosphoric Acid, Dilute
Sulphuric Acid,Concentrated .Nitric Acid, NaCl
Solution, Permanganic acid
Manganese content- chemical
method, alternative to instrumental
method(8)
10 Medium textured filter paper, Porcelain casserole,
platinum crucible,filter paper pulp, hot plate, hot air
oven, muffle furnace
Reagents: Silver nitrate solution, concentrated nitric
acid, concentrated sulphuric
acid, Dilute Hydrochloric Acid,
Dilute SulphuricAcid, PerchloricAcid, Tartaric acid
Silicon content- chemical method,
alternative to instrumental method (8)
11 Inert gas fusion followed by determination using
thermal conductivity detector
Nitrogen content (8)
12 Copper carbonate (laboratory grade) or Copper
hydroxide ( laboratory grade ), Copper Sulphate
Crystals – Technical grade, Ammonium Hydroxide,
Alcohol, Distilled water, Volatile organic solvent such
as ether, trichloroethylene, carbon tetrachloride, etc.
and other chemicals and reagents applicable,
Thermostatically Controlled Freezer (Capable of
achieving 15 deg to 20 deg Celsius temp., LC = 1 deg.
Uniformity of Zinc Coating (16.2)
13 Weighing balance, Clean soft cotton cloth, Vernier
Caliper, micrometer, Stripping method: Antimony
trioxide / Antimony tri chloride, Conc.HCl, soft cotton
cloth, solvent naptha, trichloroethylene,
alcohol, Distilled Water, 100 ml glass burette with
Mass of Zinc
Coating (16.2)
Note: The above is an indicative list for the purpose of guidance only
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