etender for the supply of lab instruments for chemistry department , ice maker with voltage stabilizer ( see detailed specifications ) , digital conductivity meter ( see detailed specifications ) , ph meter ( see detailed specifications ) , abbe refractometer ( see detailed specifications ) , digital photo colorimeter ( see detailed specifications ) , uv visible spectrophotometer ( double beam ) ( see detailed specifications ) , muffle furnace ( see detailed specifications ) , autoclave ( see detailed specifications ) , magnetic plate with hot plate and temperature sensor ( see detailed specifications ) , hot air oven ( see detailed specifications ) , microwave oven ( see detailed specifications )