
Sampling of coal and coke. Methods for sampling of coal
出版:British Standards Institution

专家解读视频
Fundamentals and basic requirements, precision, numbers and mass of primary increments, mechanical sampling from moving streams, manual sampling, sampling for size analysis, preparation of test samples. Appendices: checking precision, checking sample preparation errors, testing for bias, derivation of formulae, worked examples, determination of primary increment variance.
© British Standards Institution 2013
Replaced by notes:
Replaced by Parts 1 to 8 of BS ISO 13909 and BS ISO 18283:2006.
ISO 1988:1975 - Similar