Offered to professionals who require consistent chemical quality, Test Ink Pens Arcotest ® Blue, 51 Mn/M is available for purchase. This product is a blue ink pen, providing a reliable writing solution for various applications. The ink's composition includes iron (Fe) and manganese (Mn), contributing to its unique properties. Please note that the specifications list below contains additional information about this product, including CAS numbers. Always ensure proper handling and disposal of chemicals.