Distinguishing between Hemp and Flax: A Video on how to perform the modified Herzog Test

This video outlines how to perform the modified Herzog test (red plate test) using a standard polarisation microscope in order to identify plant fibres. Photo: Truls Andersen Editor: Hazel Gardner Voice and Acting: Hazel Gardner Journalist (Script): Hazel Gardner, Bodil Holst Graphics: Einar Haugan, Bodil Holst, Hazel Gardner Technical Support: Melanie Ostermann