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.
The main purpose of the safranin counterstain in Gram Staining is to stain gram negative bacteria left over from not picking up the crystal violet dye that stains gram positiv â¦ e microorganisms. It allows the view and identification of gram negative bacteria.+ 12 others found this useful.Veena Hamill. Use of gram stain divide bacteria into two classes â¦ - gram positive which retain crystal violet stain purple colour, gram negative which lose their crystal violet and give pink colour.