Merck Aluminium-test method: colorimetry, comparator block short test tubes, 185 pc, with color chart, 0.07 - 0.12 - 0.20 - 0.35 - 0.50 - 0.65 - 0.80

Please take note of the Safety Data Sheet http://www.merckmillipore.com/INTERSHOP/web/WFS/Merck-INTL-Site/en_US/-/USD/ShowDocument-File?ProductSKU=MDA_CHEM-114413&DocumentType=MSD&Language=EN&Country=GB