- A bitter yellow compound obtained by nitrating phenol, used as a dye and in the manufacture of explosives.
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- Alternative name: 2,4,6-trinitrophenol; chemical formula: C6H2(NO2)3OH
- Nitrogen is an important component of common chemical explosives like TNT, nitroglycerin, gunpowder, guncotton, nitrocellulose, picric acid, and ammonium nitrate.
- In addition, some of the chemicals could be hazardous: picric acid was explosive, and the arsenic compounds could be toxic to the wearer.
- Marks recounts how some painted their legs and arms vivid yellow with picric acid to protect against sunburn.
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- Picric acid can be used as a booster explosive in detonators, a high explosive charge, or as an intermediate to preparing lead picrate or DDNP.
- As reported by participants, 93% of laboratories using alkaline picrate used a kinetic method (with or without rate blanking).
- Examination of Table 2 and Figure 1 shows that both small and large biases are associated with all method types, both alkaline picrate and enzymatic.
mid 19th century: picric from Greek pikros 'bitter' + -ic.
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