In the event the Mecke reagent turns blue, this means the sample has opioids and should for that reason be avoided. Volumetric microdosing calls for some calculations and cautious measurements, but will normally give a more accurate, dependable dose. Dr. Fadiman’s book explores microdosing as a subculture of psychedelic use. https://1p-lsd74737.mybjjblog.com/1p-lsd-fundamentals-explained-29145659