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pro vyhledávání: '"A B Dehlsen"'
Publikováno v:
The Journal of The Textile Institute. 62:121-136
The increasing volume of yield-testing of greasy wool indicates the need for equipment that has a greater rate of handling samples and is more automatic than that employed in methods in current use. New washer equipment has been developed in which sa
Autor:
A B Dehlsen
Publikováno v:
Journal of Scientific Instruments. 41:522-522
A description is given of a device that may be fitted to a standard Soxhlet apparatus in order to record or control the number of Soxhlet extractions. A photoelectric system is attached to the Soxhlet outlet and operates on the refracted light due to