Hydrogen Peroxide






 

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Hydrogen Peroxide is a most versatile chemical used in various industries for bleaching, chemical synthesis, environmental control, effluent treatment, sterilisation etc. The single most important constituent of Hydrogen Peroxide is the "active oxygen" that it provides in the aforementioned end uses. The "active oxygen" is obtained by the controlled decomposition of Hydrogen Peroxide, with water as the by-product. Hence, whether it is bleaching, or chemical synthesis, the use of Hydrogen Peroxide provides a very "clean" process without the production of any harmful or environmentally unsafe products.
Specifications
Concentration (±2%)

Unit

35%w/w

50%w/w

60%w/w

Stability (24hrs at 100șC)

%

95(min)

95(min)

95(min)

Acidity as (H2SO4),

g/100 ml

0.03 (max)

0.03 (max)

0.07 (max)

Non Volatile Residue

g/100 ml

0.15 (max)

0.20 (max)

0.20 (max)

Residue on ignition

g/100 ml

0.05 (max)

0.05 (max)

0.06 (max)

Iron (as Fe)

ppm

1.00 (max)

1.00 (max)

1.00 (max)

Copper (as Cu)

ppm

0.10 (max)

0.10 (max)

0.10 (max)

Lead (as Pb)

ppm

10.0 (max)

10.0 (max)

10.0 (max)

Arsenic (as As2O3)

ppm

2.00 (max)

2.00 (max)

2.00 (max)

Applications
  • As a bleaching agent for Pulp, Paper, Textiles, Sugar, Coir, Tobacco etc industries.
  • As an antiseptic agent in Pharmaceuticals.
  • As a sterlising agent in Aseptic Packing
  • As raw material for Organic-Inorganic Chemicals, Dyestuffs and Pesticides.
  • In Effluent Treatment.
  • As a propellent for Rockets and Aircrafts.
  • As an oxidising agent for Silver Ornaments.
  • As a neutralising agent in Wine Distillation.
  • As a chemical reagent for extraction of different metals Cobalt, Uranium, Tungsten, etc.
  • As an etching & cleaning agent is Electronic Industy and Process Equipment.
Precautions for storing, handling and transportation of Hydrogen peroxide in plastic carboys.
Carboys of 50% Hydrogen Peroxide must be stored in cool, shaded godowns free from dusty atmosphere and away from light and heat.
Persons handling this material must take the usual precautions of wearing goggles, rubber gloves and shoes.

Testing Method (As per IS:2080-1980)
Reagents

Dilute Sulphuric Acid - 10 percent (v/v),
Standard Potassium permanganate solution - 1N and Q. 1N

Procedure

Weigh accurately about 1 g. of the material in 5 m,. capacity weighing bottle. Measure about 100 ml. of dilute sulphuric acid into a 500 ml. conical flook. Add potassium permanganate solution (O.1N) dropwise until mixture assumes a faint permanent pink colour, Transfer the weighing bottle with the materials carefully to the flask and titrate with potassium permanganate solution (1N) to the appearance of the same faint permanent pink colour obtained before the addition of the sample.

Calculation

Hydrogen Peroxide =
Percent by mass
 

1.7008 x V N
M

Where
V = Volume in ml of standard potassium permanganate solution required for the titration.
N = normality of standard potassium permanganate solution and,
M = mass in g. of the material taken for the test.

 

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