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Export grading control

Author: Savage, WHD Date: 1965 The intention to specify at least two grades of anthracite will probably result in more samples being received which are outside the specification of the grade applying to the coal. Read more
The normal and halogen inhibited combustion at 850 °C of cokes of varying ash content

Author: Shuttleworth, RG Date: 1950 The combustion of carbonaceous fuels is now recognized as occurring by means of both a heterogeneous reaction and a homogenous reaction. Read more
A report on washability tests carried out on samples of cobbles, nuts and peas from Eikeboom colliery

Author: Fourie, PJF Date: 1965 The FRI of SA was requested by Eikeboom Colliery to conduct washability tests on samples of cobbles, nuts and peas from this colliery at specific gravities 1.50, 1.55 and 1.60. Read more
Survey report No. 377 on Three face samples taken at Dumbe colliery Paulpietersburg district Natal

Author: Boshoff, HP Date: 1972 During 1967 officers of the Institute too samples at three faces in the Dumbe colliery, situated approximately 2 miles (3 km) to the south east of Paulpietersburg, Natal. Read more

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Browsing by Subject "Ash contents"

Browsing by Subject "Ash contents"

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