GB 8570.7-1988
Determination of the content of liquid anhydrous ammonium ferric o-phenanthroline spectrophotometric method (English Version)

Standard No.
GB 8570.7-1988
Language
Chinese, Available in English version
Release Date
1987
Published By
Professional Standard - Agriculture
Status
 2011-03
Replace By
GB/T 8570.7-2010
Latest
GB/T 8570.7-2010
Scope
This standard specifies the o-phenanthroline spectrophotometric method for the determination of iron content in liquid anhydrous ammonia (liquid ammonia).

GB 8570.7-1988 history

  • 2010 GB/T 8570.7-2010 Determination of liquefied anhydrous ammonia.Part 7:Iron content.o-Phenathroline spectrophotometric method
  • 1987 GB 8570.7-1988 Determination of the content of liquid anhydrous ammonium ferric o-phenanthroline spectrophotometric method

GB 8570.7-1988 Determination of the content of liquid anhydrous ammonium ferric o-phenanthroline spectrophotometric method was changed to GB/T 8570.7-2010 Determination of liquefied anhydrous ammonia.Part 7:Iron content.o-Phenathroline spectrophotometric method.

Determination of the content of liquid anhydrous ammonium ferric o-phenanthroline spectrophotometric method

GB 8570.7-1988 -All Parts




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