GB/T 2441.4-2010
Determination of urea - Part 4: Iron content 1,10 - Phenanthroline spectrophotometric method
GB/T 4348.3-2012
Sodium hydroxide for industrial use - Determination of iron content-1,10-phenanthroline photometric method
GB/T 8570.7-2010
Determination of liquefied anhydrous ammonia - Part 7: Iron content - o-Phenathroline spectrophotometric method
GB/T 3049-2006
Chemical products for industrial use - General method for determination of iron content - 1,10-Phenanthroline spectrophotometric method
GB/T 1508-2002
Manganese ores--Determination of total iron content--Potassium dichromate titrimetric method and 1,10-phenanthroline spectrophotometric method
GB/T 23834.6-2009
Chemical analysis method for stannous sulfate - Part 6: Determination of iron content - 1,10-phenanthroline spectrophotometry
HB/Z 5218.3-2004
Methods for chemical analysis of aluminium alloys-Part 3:Determination of iron content by o-phenanthroline spectrophotometric method
GB/T 2441.4-2001
Determination of urea—Determination of iron content—1,10-Phenanthroline spectrophotometric method
GB/T 8570.7-1988
Liquefied anhydrous ammonia—Determination of iron content—ο-Phenanthroline spectrophotometric method
GB/T 4348.3-2002
Sodium hydroxide for industrial use—Determination of iron content-1,10—Phenanthroline photometric method
GB/T 6276.6-2010
Determination of ammonium hydrogen carbonate for industrial use—Part 6:Iron content—o-Phenathroline spectrophotometric method
YB/T 190.8-2001
Methods for chemical analysis of continuous casting mold powder—The o-phenanthroline spctrophotometric and flame atomic absorption spectrometric method for the determination of iron content
GB/T 11202-2003
Rubber--Determination of iron content--1,10-Phenanthroline photometric method
HJ/T 345-2007
Water quality-Determination of iron-phenanthroline spectrophotometry
HJ T345-2007
GB/T 15057.6-1994
Limestone for chemical industry--Determination of iron content--Phenanthroline spectrophotometric method
SL/T 272-2001
HG/T 3539-2012
Industrial circulating cooling water-Determination of iron content-Spectrometric method using 1,10-phenathroline
GB/T 5195.10-2006
Fluorspar―Determination of iron content―1,10-phenanthroline spectrophotometric method
YS/T 569.2-2015
Methods for chemical analysis of thallium— Part 2:Determination of iron content—Phenanthrolin spectrophotometry