High-grade Neutral Spirit (HGNS)
Parameter |
Units |
HGNS GRADE |
Test Method |
Ethanol content | % volume at 20 °C |
96.0 min |
OIML |
Acidity | % mass as acetic acid (total) |
0.0012 max |
BS
6392/1 ISO 1388/2 |
Aldehyde content | % mass as acetaldehyde |
0.0003 max |
BP Amoco Chemicals GC method |
Appearance |
Clear and free from matter in suspension |
BP Amoco Chemicals method | |
Ester content | % mass as ethyl acetate |
0.0005 max (5 p.p.m) |
BP Amoco Chemicals GC method |
Odor |
Characteristic |
BP Amoco Chemicals GC method | |
Permanganate time | minutes |
30 minimum |
BS 6392/9 ISO 1388/12 |
Residue on evaporation | % mass |
0.0015 max (15 p.p.m) |
BS
4524:1983 ISO 759:1981 |
Methanol content | % mass |
0.005 max (50 p.p.m) |
BP Amoco Chemicals GC method |
Higher Alcohols content | % mass as isobutanol |
0.0003 max (3 p.p.m) |
BP Amoco Chemicals GC method |
Furfural | Not detectable | BP Amoco Chemicals GC method |
Notes