Ifmaterials are transferred into other containers, the employer mustensure that these are labeled as well, unless they fall under theportable container exemption (paragraph f(7)). In terms of labelingsystems, you can choose to use the labels provided by your supplierson the containers.
Confidence votes 178. Iodine is often called a mordant when used in the gram stain. What its function is, is to form large crystals with the Crystal Violet dye used as the first stain.
Complexed iodine, soluble in water as triiodide, forms a brown solution in the denser aqueous layer while free iodine forms a faint pink color in the organic solution. Upon addition of an oxidizing agent, such as bleach, to the bottom of the vial, the triiodide complex is oxidized to free iodine.omplexed iodine, soluble in water as triiodide, forms a brown solution in the denser aqueous layer while free iodine forms a faint pink color in the organic solution. Upon addition of an oxidizing agent, such as bleach, to the bottom of the vial, the triiodide complex is oxidized to free iodine.