Manufacture of decorative gold plating solution concentrate

Introduction

A national research organisation offers a process for manufacture of decorative gold plating solution concentrate. The concentrate can be used for preparation of decorative gold plating solutions by suitable dilution.

The decorative gold plating solutions thus prepared give rise to easily polished semi bright deposits on bright nickel plated articles like ear rings, bangles and rings of brass of high copper alloy which are used for production of low cost jewellery. Gold is anodically dissolved in a potassium cyanide solution concentrate by adding other chemicals as required.

Marketing of the manufactured product

Marketing should be done by the licensee

List of machinery/equipment

AC to DC rectifier single phase

Areas of application

Metal industry

The concentrate can be used for preparation of decorative gold plating solutions by suitable dilution. The demand is at present met by indigenous in house production which is technologically not sound.

If all gold covering jewellery units, switch over to gold plating, gold plating concentrate costing more than one crore of rupees may be required by each centre such as one at Machillipatnam.

Production capacity

240 litres with 20 g/litre gold per year.

Stage of development

Commercialised in India

Inputs required

Raw materials: Pure gold and L.R. grade chemicals

Economic data

Total project cost : Rs. 1,85,000/-
Cost of production : Rs. 791.70 per 100 ml of concentrate
Fixed capital on building : Rs. 1,25,000/-
Machinery/equipment : Rs. 48,000/-
Working capital : Rs.4,90,000/-
Know-how fee : negotiable
Return on investment : 28.3%
Break even point : 57%

Transfer forms

Know-how; consultancy; manufacturing licence

For further information please contact

Technology Bureau for Small Enterprises,
APCTT Building, Near Technology Bhawan,
PO Box 4575, Off New Mehrauli Road,
New Delhi-110 016