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dye your hair
Yes. It's a test to see if the patient is allergic to the contrast or dye before they inject her with it.
No. It's in the urine, but no one is going to test for it.
Dye testing
no you dont
No, it won't.
First response and answer are great. any pink dye test really. stay away from blue dye
A dye test will tell you if your head is damaged in the event of a blown head gasket. It turns colors anywhere it is leaking on the head, hence where any cracks would be.
Azo dye test is the chemical test to identify the release of banned amines from any nitrogen based azo -synthetic dyes . There is a limit of 30 ppm for the banned amines in any textile or leather article which may come in contact with skin
This test is used to measure bilirubin in urine. The product of the reaction between bilirubin and a diazonium salt, in acidic medium is an azo dye, colored pink to violet, depending on the concentation.
One common test for lipids in foods is the Sudan III test. This test involves adding Sudan III dye to a food sample - if lipids are present, the dye will bind to them and turn the sample a red color. Another method is the iodine test, where iodine reacts with lipids in food and changes color from brown to purple if lipids are present.