Merck Sulfid-test method: colorimetry with rotary disc comparator, 200 tests, 0.1 - 0.3 - 0.5 - 0.7 - 1 - 2 - 3 - 4 - 5 mg/l S²? Microquant

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-114777&DocumentType=MSD&Language=EN&Country=GB