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GB - Chinese national standards
Page 1509
GB/T 223.53-1987 (12/05/1987)
Methods for chemical analysis of ironsteel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 90.00 USD more info
GB/T 223.54-2022 (11/07/2022)
Iron, steel and alloy—Determination of nickel content—Flame atomic absorption spectrometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 384.00 USD more info
GB 223.57-1987 (01/01/1987)
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Available languages: English, Chinese
Available design: electronic design (pdf), Print design
GB/T 223.58-1987 (12/05/1987)
Methods for chemical analysis of ironsteel and alloy--The extraction-absorption catalytic polarographic method for the determination of manganese content
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 102.00 USD more info
GB/T 223.59-2008 (19/08/2008)
Iron,steel and alloy - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 90.00 USD more info
GB/T 223.6-2025 (29/08/2025)
Iron, steel and alloy—Determination of boron content—Neutralization titrimetric method and spectrophotometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 402.00 USD more info
GB/T 223.60-2024 (25/04/2024)
Iron, steel and alloy—Determination of silicon content—Gravimetric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 312.00 USD more info
GB/T 223.61-1988 (05/02/1988)
Methods for chemical analysis of ironsteel and alloy--The ammonium phosphomolybdate volumetric method for the determination of phosphorus content
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 84.00 USD more info
GB/T 223.62-1988 (05/02/1988)
Methods for chemical analysis of ironsteel and alloy--The butyl acetate extraction photometric method for the determination of phosphorus content
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 84.00 USD more info
GB/T 223.63-2022 (11/07/2022)
Iron, steel and alloy—Determination of manganese content—Sodium (potassium) periodate spectrophotometric method
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 276.00 USD more info
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