Methods for chemical analysis of tungsten concentrates—Part 13Determination of arsenic content—Atomic fluorescence spectrometry and the silver diethyldithiocarbamateDDTC-Agspectrophotometry

Norma vydána dne 12.10.2022

Methods for chemical analysis of tungsten concentrates - Determination of manganese content - The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method

Norma vydána dne 31.3.2008

Methods for chemical analysis of tungsten concentrates—Part 15Determination of bismuth content—Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry

Norma vydána dne 6.8.2023

Methods for chemical analysis of tungsten concentrates - Determination of iron content - The sulfosalicylic acid spectrophotometry

Norma vydána dne 30.10.2009

Methods for chemical analysis of tungsten concentrates—Part 16: Determination of iron, manganese, silicon, calcium and tungsten contents—X-ray fluorescence spectrometry
K dispozici od: prosinec 2026

Norma vydána dne 25.5.2026

Methods for chemical analysis of tungsten concentrates—Part 17Determination of antimony content—Atomic fluorescence spectrometry

Norma vydána dne 12.10.2022

Methods for chemical analysis of tungsten concentratesPart 18Determination of barium contentInductively coupled plasma atomic emission spectrometry

Norma vydána dne 23.5.2023

Methods for chemical analysis of tungsten concentrates—Part 19:Determination of fluoride content—Ion selective electrode method

Norma vydána dne 24.1.2025

Methods for chemical analysis of tungsten concentrates—Part 2: Determination of tin content—Potassium iodate titrimetry and inductively coupled plasma atomic emission spectrometry

Norma vydána dne 12.10.2022

Methods for chemical analysis of tungsten concentrates—Part 20Determination of mercury contentSolid sampling and direct mercury analysis method

Norma vydána dne 24.1.2025