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Coal — Methods for evaluating flocculants for use in coal preparation — Part 1: Basic parameters

90.20 Standard under periodical review

ISO/TC 27/SC 1

Coal — Methods for evaluating flocculants for use in coal preparation — Part 2: Flocculants as filter aids in rotary vacuum filtration systems

90.93 Standard confirmed

ISO/TC 27/SC 1

Brown coals and lignites — Determination of acetone-soluble material ("resinous substance") in the benzene-soluble extract

90.92 Standard to be revised

ISO/TC 27/SC 5

Coal — Determination of moisture-holding capacity

60.60 Standard published

ISO/TC 27/SC 5

Coal — Determination of plastic properties — Constant-torque Gieseler plastometer method

90.92 Standard to be revised

ISO/TC 27/SC 5

Coal and coke — Calculation of analyses to different bases

60.60 Standard published

ISO/TC 27/SC 5

Solid mineral fuels — Hard coal — Determination of moisture in the general analysis test sample by drying in nitrogen

90.60 Close of review

ISO/TC 27/SC 5

Solid mineral fuels — Determination of arsenic and selenium — Eschka's mixture and hydride generation method

90.92 Standard to be revised

ISO/TC 27/SC 5

Solid mineral fuels — Determination of total fluorine in coal, coke and fly ash

90.20 Standard under periodical review

ISO/TC 27/SC 5

Classification of coals

90.60 Close of review

ISO/TC 27/SC 5

Coal and coke — Vocabulary — Part 1: Terms relating to coal preparation

60.60 Standard published

ISO/TC 27/SC 1

Solid mineral fuels — Vocabulary — Part 2: Terms relating to sampling, testing and analysis

90.92 Standard to be revised

ISO/TC 27/SC 1

Hard coal — Determination of abrasiveness

90.60 Close of review

ISO/TC 27/SC 1

Solid mineral fuels — Major and minor elements in coal ash and coke ash — Wavelength dispersive x-ray fluorescence spectrometric method

90.60 Close of review

ISO/TC 27/SC 5

Hard coal and coke — Mechanical sampling — Part 1: General introduction

90.92 Standard to be revised

ISO/TC 27/SC 4

Hard coal and coke — Mechanical sampling — Part 2: Coal — Sampling from moving streams

90.92 Standard to be revised

ISO/TC 27/SC 4

Hard coal and coke — Mechanical sampling — Part 3: Coal — Sampling from stationary lots

90.92 Standard to be revised

ISO/TC 27/SC 4

Hard coal and coke — Mechanical sampling — Part 4: Coal — Preparation of test samples

90.92 Standard to be revised

ISO/TC 27/SC 4