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GB - Chinese national standards
Page 1535
GB/T 223.37-2020 (02/06/2020)
Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 249.70 EUR more info
GB/T 223.38-1985 (18/07/1985)
Methods for chemical analysis of ironsteel and alloy--The anion-exchange separation-gravimetric method for the determination of niobium content
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 150.90 EUR more info
GB/T 223.4-2008 (30/05/2008)
Alloyed steel - Determination of manganese content - Potentiometric or visual titration method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 248.70 EUR more info
GB/T 223.40-2007 (09/03/2007)
Iron, steel and alloy - Determination of niobium content - The sulphochlorophenol S spectrophotometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 205.20 EUR more info
GB/T 223.41-1985 (18/07/1985)
Methods for chemical analysis of ironsteel and alloy--The anion-exchange separation-pyrogallol photometric method for the determination of tantalum content
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 172.60 EUR more info
GB/T 223.42-1985 (18/07/1985)
Methods for chemical analysis of ironsteel and alloy--The anion-exchange separation-bromopyrogallol red photometric method for the determination of tantalumcontent
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 172.60 EUR more info
GB/T 223.43-2008 (13/05/2008)
Iron, steel and alloy - Determination of tungsten content - Gravimetryc method and spectrophotometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 302.90 EUR more info
GB/T 223.46-1989 (31/03/1989)
Methods for chemical analysis of ironsteel and alloy--The flame atomic absorption spectrometric method for the determination of magnesium content
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 194.40 EUR more info
GB/T 223.47-1994 (26/09/1994)
Methods for chemical analysis of ironsteel and alloy--The carrier precipitation-molybdenumblue potometric method for the determination of antimony content
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 226.90 EUR more info
GB/T 223.49-1994 (26/09/1994)
Methods for chemical analysis of ironsteel and alloy--Extraction separation-chlorophosphonazo mA spectro-photometric method for the determination of the total rare earth content
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 194.40 EUR more info
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