GB/T 4698.1-1996 Sponge titanium, titanium and titanium alloys—Determination of copper content—Diethyldithiocarbamate spectrophotometric method

GB/T 4698.2-1996 Sponge titanium, titanium and titanium alloys—Determination of iron content—1,10-Phenanthroline spectrophotometric method GB/T 4698.3-1996 Sponge titanium, titanium and titanium alloys—Determination of silicon content—Molybdenum blue spectrophotometric method GB/T 4698.4-1996 Sponge titanium, titanium and titanium alloys—Determination of manganese content—Potassium periodate spectrophotometric method GB/T 4698.5-1996 Sponge titanium, titanium and titanium alloys—Determination of molybdenum content—Thiocyanate spectrophotometric method GB/T 4698.6-1996 Sponge titanium, titanium and titanium alloys—Determination of boron content—Extraction—methylene blue spectrophotometric method GB/T 4698.7-1996 Sponge titanium, titanium and titanium alloys—Determination of nitrogen content—Distillation—Nessler reagent spectrophotometric method GB/T 4698.8-1996 Sponge titanium, titanium and titanium alloys—Determination of aluminum content—Separation with sodium hydroxide-EDTA complexometric titration method GB/T 4698.9-1996 Sponge titanium, titanium and titanium alloys—Determination of tin content—Potassium iodate titration method GB/T 4698.10-1996 Sponge titanium, titanium and titanium alloys—Determination of chromium content in the presence of Vanadium—Ammonium ferrous sulfate titration method GB/T 4698.11-1996 Sponge titanium, titanium and titanium alloys—Determination of chromium content in the absence of Vanadium—Ammonium ferrous sulfate titration method GB/T 4698.12-1996 Sponge titanium, titanium and titanium alloys—Determination of vanadium content—Ammonium ferrous sulfate titration method GB/T 4698.13-1996 Sponge titanium, titanium and titanium alloys—Determination of zirconium content—EDTA complexometric titration method GB/T 4698.14-1996 Sponge titanium, titanium and titanium alloys—Determination of carbon content—Combustion coulometric method GB/T 4698.15-1996 Sponge titanium, titanium and titanium alloys—Determination of hydrogen content—Vacuum heating gas chromatographic method GB/T 4698.16-1996 Sponge titanium, titanium and titanium alloys—Determination of oxygen content—Inert gas fusion coulometric method GB/T 4698.17-1996 Sponge titanium, titanium and titanium alloys—Determination of magnesium content—Flame atomic absorption spectrometric method GB/T 4698.18-1996 Sponge titanium, titanium and titanium alloys—Determination of tin content—Flame atomic absorption spectrometric method GB/T 4698.19-1996 Sponge titanium, titanium and titanium alloys—Determination of molybdenum content—Thiocyanate differential spectrophotometric method GB/T 4698.20-1996 Sponge titanium, titanium and titanium alloys—Determination of manganese content—Potassium periodate spectrophotometric method GB/T 4698.21-1996 Sponge titanium, titanium and titanium alloys—Determination of manganese, chromium, nickel, aluminum, molybdenum, tin, vanadium, yttrium, copper, zirconium content—Emission spectrographic method GB/T 4698.22-1996 Sponge titanium, titanium and titanium alloys—Determination of niobium content—2-(5-Bromo-2-pyridylazo)-5-Diethylaminophenol spectrophotometric method GB/T 4698.23-1996 Sponge titanium, titanium and titanium alloys—Determination of palladium content—Stannous choride—Potassium iodide spectrophotometric method GB/T 4698.24-1996 Sponge titanium, titanium and titanium alloys—Determination of nickel content—Dimethylglyoxime spectrophotometric method GB/T 4698.25-1996 Sponge titanium, titanium and titanium alloys—Determination chlorine content—Silver sulfide spectrophotometric method

GB 4698.1-1984

GB/T 4698.1-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 1:Determination of copper content—Flame atomic absorption spectrometry

GB 1.4 GB/T 1467-2008 Method for chemical analysis of metallurgy product—General rules and regulations GB/T 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric methods