NITROGEN  Total purity by volume(%)  Maximum levels of impurities (ppm by volume)
 Grade    O2  H2 O  Ar  H2  CO  CO2  THC  N oxides
 Special  99.9995  1.0  1.0  3.0  NIL  NIL  NIL  0.2  NIL
 Grade-I  99.9991  2.0  2.0  5.0  NIL  NIL  NIL  0.2  NIL
 Grade-II  99.998  4.0  4.0  11.0  1.0  0.5  0.5  0.5  0.5
 Grade-II  99.997  6.0  6.0  10.0  1.0  1.0  1.0  1.0  1.0

Technical specification

  Color   FRENCH GREY WITH BLACK NECK ( SHOULDER )
  Chemical Name   N2
  Indian Standard   IS :1747
  Water Capcity   47 LITRE
  Contents   7 CUBIC METER GAS
  Require Pressure   140-150 kg./cm2 (Variation+5kg./cm2

Application Uses

  • FREEZING & PACKING OF FOOD/li>
  • REDUCING GAS TO PROVIDE AN
  • OXYGEN FREE ATMOSPHERE
  • BLANKETING, INTERTING AND PURGING
  • ZEROW GAS IN ANALYTICAL INSTRUMENTS
  • CARRIER GAS IN GAS CHROMATOGRAPHY