Analysis of Mercury in Cosmetics by Cold Vapour Atomic Absorption Spectroscopy (CVAAS)

Introduction

There have been concerns regarding the presence of heavy metals such as mercury (Hg) in cosmetics. Hg could be absorbed through the skin or ingested and accumulate in the body over time, causing adverse long-term health consequences, such as skin irritation and nervous system damage. Hence, it is important to regulate and screen for the presence of Hg in cosmetics. According to USFDA 21 CFR 700.13, Hg is not allowed in any cosmetics except in trace amount of less than 1ppm. The ASEAN Harmonized Cosmetic Regulatory Scheme (AHCRS) has also set 1ppm as the maximum limit for Hg and provides method for the determination of Hg in cosmetic using cold vapour atomic absorption spectrophotometer (CVAAS). This application news demonstrates the analysis of Hg in cosmetics using Shimadzu AA-7000 atomic absorption spectrophotometer (AAS) with MVU-1A Hg Vaporizer Unit.

June 26, 2020 GMT