The Chemistry of Powder and Explosives - Sciencemadness Dot Org

PICRATE COMPOSITIONS 71
To be burned without compression, in the open, in trains or in
heaps:
Ammonium picrate
Strontium nitrate
Barium nitrate
Cryolite
Antimony metal
Lampblack
Paraffin
5
25
Red
1
1
10
40
2
1
Green
8
32
1
1
5
25
1
Aurora
10
31
3
2
1
Yellow
20
12
58
7
4
2
White
To be compressed in paper cartridges, 25-30 mm. internal diameter,
to be burned m a horizontal position m order that the
residue may not interfere with the burning:
Ammonium picrate
Strontium nitrate
Barium nitrate
Cryolite
Calcium fluoride
Antimony metal
Antimony sulfide
I ampblack
Paraffin
1
1-H
Red
20
60
7
4
2
5
6
Green
5
28
1
1
11
36
1
1
Aurora
20
60
7
4
2
Yellow
Picric acid added in small quantities to colors deepens them
and increases their brilliancy without making them burn much
faster Stars containing picric acid ought not to be used in aerial
shells, for they are likely to detonate either from the shock of
setback or later from being ignited in a confined space. Mixtures
which contain picric acid along with potassium chlorate or salts
of heavy metals are liable to detonate from shock.
Wemgart 25 lists two "smokeless tableau" fires which contain
picric arid, as follows:
2 O;> at 7 p 60.
20
10
60
7
4
2
24
3
20
4
5
30
Wh
6
4
3
5
1
1
30