ICUMSA Method GS2-29 (1994) The Determiantion of Copper in Refined Sugar Products by a Colorimetric Method - Accepted
ICUMSA Method GS9-9 (2013) Copper in Plantation White Sugar by Flame Atomic Absorption Spectroscopy - Official
ICUMSA Method GS9-1 (2019) Arsenic, Cadmium, Chromium, Copper, Mercury, Lead and Tin in Plantation White Sugar by Inductively Coupled Plasma Mass Spectrometry (ICP-MS) – Tentative