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.
(Crystal violet, Gramâs iodine, and safranin). To begin the gram staining, drops of crystal violet were gently flooded on the slides, and allowed to rest for one minute. The crystal violet stain was used to stain all cells purple.