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 iodine test solution is best kept in a small eye-dropper bottle clearly labeled starch test, obviously. Perfoming an iodine test. So much about the science. In brewing an iodine test is best done on a piece of white chalk or drywall. In my own brewing I use a piece of white sidewalk chalk that I took from the kid's bucket of chalks.