GB/T 9489-2024 标准详情

Organic geochemical analysis methods for geological samples - Part 1： Analysis of light crude oils - Gas chromatography

Surface chemical analysis - Information formats

Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 12：Determination of vanadium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry

Methods for chemical analysis of lead and lead alloys - Part 9: Determination of calcium content

Methods for chemical analysis of copper and copper alloys - Part 21:Determination of titanaum content

Methods for chemical analysis of silicon metal―Part 6：Determination of carbon―Infrared absorption method

Methods for chemical analysis of iron，steel and alloy--The 5-Cl-PADAB spectrophotometricmethod for the determination of cobalt content

The methods for chemical analysis of nickel - Determination of phosphorous content - Molybdenum blue spectrophotometric method

Methods for chemical analysis of aluminium and aluminium alloys—Part 28:Determination of cobalt content—Flame atomic absorption spectrometry

Guideline for verification and validation of chemical analysis method and internal quality control—Chromatography

Methods for chemical analysis of gold concerntrates—Part 1：Determination of gold and silver contents

Chemical analysis methods of rare earth impurities in rare earth metals and their oxides - Part 13: Thulium - Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, ytterbium, lutetium and yttrium contents

Methods for chemical analysis of stannic oxide - Part 3: Determination of arsenic content - Molybdoantimonyarsenate blue spectrophotometric method

Chemical analysis methods of magnesium and magnesium alloys - Part 10：Determination of silicon content - Molybdenum blue spectrophotometric method

Test method of precious alloys - Determination of gold content for gold, platinum and palladium alloys - Potentiometric titration using ferrous sulfate

Methods for chemical analysis of lead and lead alloys - Part 15: Determination of nickel content - Flame atomic absorption spectrophotometry

Methods for chemical analysis of hardmetals - Determination of insoluble (free) carbon content - Gravimetric method

Methods for chemical analysis of zinc concentrates—Part 24：Determination of soluble zinc content—Flame atomic absorption spectrometry

Methods for chemical analysis of gold—Part 12：Determination of silver, copper, iron, lead, bismuth, antimony, magnesium, nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin, silicon, cobalt, calcium, potassium, lithium, sodium, tellurium, vanadium, zirconium, cadmium, molybdenum, rhenium, aluminum contents—Inductively coupled plasma atomic emission spectrometry

Methodsfor chemical analysis of tin concentrates--Determination of lead content--Flameatomic absorption spectrometric method and EDTA titrimetric method

Methods for chemical analysis of copper concentrates—Part 20:Determination of mercury content—Solid sampling and direct mercury analysis method

Methods for chemical analysis of copper concentrates - Part 3: Determination of sulfur content - Gravimetric method and Combustion-titration method

Methods for chemical analysis of tungsten - Part 6: Determination of iron content-1,10-phenanthroline spectrophotometry

Methods for chemical analysis of tungsten - Determination of nickel content - The inductively coupled plasma atomic emission spectrometry 、 flame atomic absorption spectrometry and dimethylglyoxime gravimetry

Methods for chemical analysis of iron，steel and alloy--The anion-exchange separation-pyrogallol photometric method for the determination of tantalum content

D.C. extruded cables systems for power transmission at a rated voltage up to and including 500kV—Part 4: Accessories for D.C. cables