译：DZ/T 0454.1-2023 Iron-titanium oxide chemical analysis method - Part 1: Determination of titanium dioxide content - Zinc reduction-high iron-ammonium sulfate titration method

译：DZ/T 0453.1-2023 The Chemical Analysis Methods for NbTa Ore Part 1: Determination of Nb, Ta, and W Content - Closed Acid Solution-Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) Method

译：DZ/T 0454.3-2023 The Chemical Analysis of Ferrite of Titanium - Part 3: Determination of Aluminum, Calcium, Magnesium, Potassium, Sodium, Titanium, Manganese, Chromium, Strontium, Vanadium and Zinc Content - Method of Total Digestion Using a Mixture of Acid and Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES)

译：DZ/T 0452.2-2023 The Chemical Analysis Methods for Rare Earth Ore Part 2: Determination of Aluminum, Iron, Calcium, Magnesium, Potassium, Sodium, Titanium, Manganese, Phosphorus and 15 Rare Earth Elements Content by Means of Mixed Acid Digestion and Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES)

译：DZ/T 0456-2023 Measuring the specific heat of coal and rock using the cooling mixture method

译：DZ/T 0454.2-2023 Chemical analysis of ilmenite Part 2: Determination of titanium dioxide content by hydrogen peroxide spectrophotometry

译：DZ/T 0455-2023 Gas content determination of shale using constant temperature analysis - gas volume method

译：DZ/T 0453.2-2023

译：DZ/T 0452.3-2023 The Chemical Analysis Methods for Rare Earth Ore - Part 3: Determination of Lithium, Beryllium, Scandium, Manganese, Cobalt, Nickel, Copper, Zinc, Gallium, Rhenium, Niobium, Molybdenum, Indium, Cesium, Tantalum, Tungsten, Thallium, Lead, Bismuth, Thorium, Uranium and 15 Rare Earth Elements - Determination by Mixed Acid Digestion and Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

译：DZ/T 0453.3-2023 Method for Chemical Analysis of Tantalum- and Niobium-ore Part 3: Determination of Nb, Ta, Iron, Manganese and W Content by Acid-Solubility-Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES)