Preparative & Analytical Methods
Preparative Methods
Nitrations:- Highly concentrated Nitric Acid (HNO3)
- Highly concentrated HNO3 + Acetic Acid Anhydride
- Mixed Acid (Sulphuric Acid / Nitric Acid)
- Inorganic Nitrates + Sulphuric Acid/Oleum
- Dinitrogen Pentoxide (N2O5 formation via Ozone generation)
Morphological refinements:
- Milling
- Granulation
- Coating
- Temperature-controlled precipation / recrystallization
- Solvent/Anti-Solvent-based Crash Precipitation
- Use of surfactants
Analytical / Diagnostic Methods
- HPLC, TLC, IC, GC
- XRF
- OES
- IR
- Thermal analysis (DTA, DSC, TGA)
- CHN
- UV/VIS spectrometry
- Laser scattering for particle size determination
- Friction and impact sensitivity acc. to BAM
- Sensitivity against electrostatic discharge (ESD test)
- Wet-chemical methods: titration, gravimetric determination, precipitation, extraction, evaporation , destillation etc.
Chemical Nature of Samples:
- Solid and powdered metals
- Raw materials for pyrotechnical compositions (oxidizers, fuels, binders, additives)
- Secondary explosives
- Pyrotechnical compositions
- Primary explosives and compositions thereof
- Starting materials and intermediates for explosives manufacturing
