Posted on February 1, 2019February 2, 2019 by Pulse AssentISO 20921:2019 Textiles. Determination of stable nitrogen isotope ratio in cotton fibres Link: ISO 20921:2019 Textiles. Determination of stable nitrogen isotope ratio in cotton fibres Source: BSI Standards Related Posts:UK to launch talks with Switzerland on new trade dealNew UK initiative to shape global standards for…Boost for Scottish businesses with biggest…Ten Malawians off to the UK under Chevening scholarshipEnvironment Agency helps industry reduce carbon…