laboratory reagents - microbiology - kits / microbiological identification tests - NIT Reagent, x350tests, colouring agent for NIT test in GN24 sp kit (ref. C53MR1001) and GP24 sp kit (ref. C53MR1003). Used with Zn dust (code C53MR1028), CE mark, todylaboratories®, code C53MR1021