GB/T 26930.3-2011 Carbonaceous materials for the production of primary aluminium.Pitch for electrodes.Part 3: Determination of density.Pyknometric method (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 26930.3-2011
Scope
This part of GB/T 26930 specifies the pycnometer method for the determination of the density of coal tar pitch used in the production of primary aluminum. This section applies to the pycnometer method for the determination of the density of coal tar pitch used in the production of primary aluminum.
ISO 5725 Precision of test methods; Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
ISO 6257 Carbonaceous materials used in the production of aluminium - Pitch for electrodes - Sampling
GB/T 26930.3-2011 history
2011GB/T 26930.3-2011 Carbonaceous materials for the production of primary aluminium.Pitch for electrodes.Part 3: Determination of density.Pyknometric method