Ammonium Adduct [M + NH4]+
Definition
The dominant ionisation form of TATP in positive-mode ESI LC-MS when ammonium acetate or formate is present in the mobile phase. TATP molecular weight is 222, so [TATP + NH4]+ appears at m/z 240. Used as the precursor ion in SRM-mode confirmation.
Related terms
- ANFO (Ammonium Nitrate Fuel Oil)
- A low-sensitivity bulk explosive mixture of prilled ammonium nitrate (94 per cent by weight) and fuel oil (6 per cent). The primary...
- EU Regulation 2019/1148
- The European Union regulation on the marketing and use of explosive precursors, restricting public access to hydrogen peroxide above 12%, nitric acid...
- HMTD (Hexamethylene Triperoxide Diamine)
- A peroxide explosive analogue of TATP, synthesised from hexamine (hexamethylenetetramine), hydrogen peroxide, and citric acid. Similar sensitivity profile. Detected by LC-MS/MS as...
- PESO (Petroleum and Explosives Safety Organisation)
- The Indian regulatory authority under the Ministry of Commerce and Industry that administers the Explosive Substances Act 1908 and subordinate rules, including...
- Sublimation Hazard
- The tendency of TATP and HMTD to convert directly from solid to vapour at ambient temperature and pressure, reducing residue availability at...
- Suspicious Transaction Reporting
- The regulatory obligation imposed on retailers and manufacturers to report purchases of restricted precursor substances that are suspicious by volume, frequency, or...
- TATP (Triacetone Triperoxide)
- A cyclic peroxide explosive (C9H18O6) synthesised from acetone, hydrogen peroxide, and an acid catalyst. Sensitive to friction, heat, shock, and prolonged storage....
- Urea Nitrate
- An ionic explosive salt formed by neutralisation of urea with nitric acid. Detonation velocity approximately 3,400 m/s. Used in the 1993 World...
- Velocity of Detonation (VoD)
- The speed at which the detonation wave propagates through an explosive, measured in metres per second. RDX: approximately 8,750 m/s; TNT: approximately...
Explained in
- Homemade Explosives: TATP, HMTD, Urea Nitrate and Precursor ControlThe dominant ionisation form of TATP in positive-mode ESI LC-MS when ammonium acetate or formate is present in the mobile phase. TATP molecular weight is 222,...