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.
It is a decolorizer that differentiates between gram-negative and gram-positive. Only the gram-positive bacteria will retain the crystal violet-iodine complex. Gram-negative bacteria will not retain the color and the decolorizer will wash out the stain.