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Std ID |
Description (Standard Title) |
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HG 20519.20-1992
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(Special fittings map)
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HG 20519.21-1992
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(Special valves and piping accessories table)
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HG 20519.2-1992
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(Drawing Catalog)
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HG 20519.22-1992
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(Insulation Materials Table)
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HG 20519.23-1992
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(Corrosion of materials)
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HG 20519.24-1992
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(With heat pipe heat pipe with maps and tables)
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HG 20519.25-1992
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(Materials Table)
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HG 20519.26-1992
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(Equipment nozzle orientation map)
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HG 20519.27-1992
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(Pipes commonly used abbreviations)
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HG 20519.28-1992
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(Flowcharts; equipment, piping layout; piping isometric drawings; fittings chart; equipment installation chart of the line width and font requirements)
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HG 20519.29-1992
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(Pipe rack number and pipe rack piping arrangement drawings notation)
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HG 20519.30-1992
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(Thermal and sound insulation Code)
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HG 20519.31-1992
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(Piping and instrumentation diagram of the equipment, machinery Legend)
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HG 20519.3-1992
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(Design Notes (including process, piping, insulation, sound insulation and corrosion design specifications))
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HG 20519.32-1992
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(Piping and instrumentation diagram of pipes, fittings, valves and pipe fittings legend)
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HG 20519.33-1992
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(Piping layout and isometric drawings on pipes, fittings, valves and pipe special pieces legend)
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HG 20519.34-1992
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(Equipment, piping layout on the use of the legend)
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HG 20519.35-1992
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(The device name and tag number)
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HG 20519.36-1992
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(Material Code)
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HG 20519.37-1992
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(Annotation pipeline)
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HG 20519.38-1992
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Piping class number and piping materials classification
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HG 20519.39-1992
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(Gasket Code)
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HG 20519.40-1992
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(Gasket Code)
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HG 20519.4-1992
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(Home map)
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HG 20519.5-1992
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(Piping and instrumentation diagram)
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HG 20519.6-1992
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(Partition index map)
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HG 20519.7-1992
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(Equipment layout)
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HG 20519.8-1992
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(Equipment List)
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HG 20519.9-1992
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(Equipment installation drawings)
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HG 0-1495-1983
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(General Chemical Reference Materials)
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HG 0-1496-1983
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(Chemical Substance Management Standard Measures)
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HG/T 3579-1983
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General Principles of Chemical Industry Standard Substances (Former HG/T 0-1495-1983)
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HG/T 3580-1983
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Management Methods for Chemical Industry Standard Substance
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HG/T 6344-2024
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(Energy consumption limit per unit product of aluminum fluoride)
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HG/T 6058-2023
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(Water-saving industrial park chemical industry)
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HG/T 5901-2021
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(Technical Specifications for Energy Conservation Supervision in Synthetic Ammonia Industry)
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HG/T 5903-2021
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(Technical specifications for energy-saving supervision of calcium carbide industry)
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HG/T 5904-2021
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(Technical specifications for energy conservation supervision in the chlor-alkali industry)
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HG/T 5819-2020
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The quota and calculation method of energy consumption per unit product for magnesium oxide
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HG/T 5218-2017
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(Ammonium fluorosilicate unit energy consumption limit and calculation method)
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HG/T 5219-2017
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(Potassium carbonate per unit of product energy consumption limits and calculation methods)
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HG/T 5008-2016
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The quota and calculation method of energy consumption per unit product for phosphoric acid in industry
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HG/T 5009-2016
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The quota and calculation method of energy consumption per unit product for potassium hydroxide
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HG/T 4885-2015
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The quota and calculation method of energy consumption per unit products of calcium carbonate precipitagted for industrial use
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HG/T 4287-2012
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Management system for energy in petrochemical enterprises. Requirements
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HG/T 4190-2011
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Code for energy audit on chemical enterprise
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HG/T 4191-2011
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Code for energy audit on petrochemical enterprise
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HG/T 3143-1982
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(LPG tank car technical conditions)
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HG/T 20590-1997
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Design technical regulation for the treatment of wastewater from sulphuric acid and phosphatic fertilizer industries
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HG/T 2091-1991
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Chorinated Paraffins-42
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HG/T 2092-1991
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Chorinated Paraffins-52
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HG/T 5865-2021
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(Evaluation requirements for green factories in the caustic soda industry)
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HG/T 5680-2021
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(Technical Specification for Evaluation of Green Design Products Compound Fertilizer (Compound Fertilizer))
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HG/T 5679-2020
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(Waste lubricating oil film evaporation regeneration lubricating base oil)
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HG/T 5681-2020
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(Green design product evaluation technical specifications)
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HG 2805-1996
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Textile core fire retardant conveyer belt used in coal mine well
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HG/T 2504-1993
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Limestones for Chemical Industry
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HG/T 3575-2006
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Analytical methods for serpentine ores
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HG/T 2957.10-2004
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The determination of the total amount of iron in the alunite ore. Sulfosalicylic acid spectrophotometric
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HG/T 2957.11-2004
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Titanium content in the alunite ore two security spectrophotometry antipyrine methane
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HG/T 2957.2-2004
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Alunite ore sampling and sample preparation methods
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HG/T 2957.3-2004
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Alunite ore adsorbed water content - Gravimetric method
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HG/T 2957.4-2004
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Determination of sulfur content of sulfate alunite ore. Barium sulfate gravimetric method
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HG/T 2957.5-2004
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Determination of alunite ore in aluminum content. Volumetric method
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HG/T 2957.6-2004
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Alunite ore combined water content - Gravimetric method
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HG/T 2957.7-2004
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Alunite ores potassium and sodium content. The Potassium Tetraphenylborate gravimetric and flame emission spectrophotometry
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HG/T 2957.8-2004
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Determination of total sulfur in alunite ore. Barium sulfate gravimetric method
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HG/T 2957.9-2004
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Alunite ore in silicon content - Gravimetric method
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HG/T 2956.2-2001
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Ascharite ores. Methods of sampling and preparing sample
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HG/T 2956.3-2001
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Ascharite ores. Determination of boric anhydride content. Volumetric method
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HG/T 2956.4-2001
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Ascharite ores. Determination of total iron content. Potassium dichromate volumetric method
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HG/T 2956.5-2001
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Ascharite ores. Determination of ferrous oxide content. Potassium dichromate volumetric method
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HG/T 2956.6-2001
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Ascharite ores. Determination of calcium and magnesium oxides content. Volumetric methods
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HG/T 2956.7-2001
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Ascharite ores. Determination of acid insoluble matter content. Gravimetric method
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HG/T 2956.8-2001
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Ascharite ores. Determination of loss on ignition. Gravimetric method
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HG/T 3588-1999
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Barit for chemical industry
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HG/T 2786-1996
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Pyrites and Concentrate
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HG/T 2274-1995
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Semi-self-fluxing Simatic Phosphorus Ore Used for Calcium-magnesium-phosphate Fertilizer
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HG/T 2673-1995
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Phosphorus Rock Used for Acid Process
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HG/T 2674-1995
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Phosphorus Rock Used for Yellow Phosphorus
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HG/T 2675-1995
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Phosphorus Rock Used for Calcium Magnesium Phosphate
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HG/T 2428-1993
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Determination of Strontium Carbonate Content in Celestite Ores
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HG/T 3578-1990
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(Serpentine ore)
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HG/T 3576-1989
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Ascharite ores
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HG/T 2958.10-1988
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Celestite ores. Determination of hygroscopic moisture content. Gravimetric method
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HG/T 2958.1-1988
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Celestite ores. Determination of strontium and calcium contents. EDTA volumetric method
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HG/T 2958.2-1988
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Celestite ores. Determination of barium cantent. Barium chromate volumetric method
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HG/T 2958.3-1988
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Celestite ores. Determination of sulphate content. Barium sulphate gravimetric method
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HG/T 2958.4-1988
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Celestite ores. Determination of calcium and magnesium contents. Atomic absorption spectrometry
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HG/T 2958.5-1988
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Celestite ores - Determination of silicon content - Molybdenum blum spectrophotometric method
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HG/T 2958.6-1988
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Celestite ores. Determination of silicon content. Perchloric acid dehydration gravimetric method
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HG/T 2958.7-1988
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Celestite ores. Determination of iron content. Sulphosalicylic acid spectrophotometric method
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HG/T 2958.8-1988
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Celestite ores. Determination of aluminium content. Chromazurol S spectrophotometric method
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HG/T 2958.9-1988
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Celestite ores. Determination of aluminium content. EDTA volumetric method
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HG/T 3575-1986
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Analytical methods for serpentine ores
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HG/T 2957.10-1984
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Alunite ores-Determination of total iron content-Sulphosalicylic acid photometric method
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HG/T 2957.11-1984
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Alunite ores-Determination of titanium content-Diantipyrylmethane photometric method
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HG/T 2957.1-1984
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Alunite ores-Analytical methods-General instructions
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HG/T 2957.2-1984
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Alunite ores-Analytical samples-The methods of the sampling and preparation
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HG/T 2957.3-1984
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Alunite ores-Determination of hygroscopic moisture content in analytical samples-Gravimetric method
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