Which of the following is currently the only fixative available that does not contain formalin, polyvinyl alcohol (PVA), or mercury?

a. Merthiolate-iodine-formalin (MIF)
b. Sodium acetate–acetic acid–formalin (SAF)
c. ECOFIX
d. TOTAL-FIX


D
Currently, TOTAL-FIX is the only fixative that contains no formalin, PVA, or mercury. Exam-ples of semi-universal fixatives are SAF, which has no mercury or PVA but contains formalin; and ECOFIX, which has no mercury or formalin but contains PVA. MIF contains formalin.

Biology & Microbiology

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