526 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES
TABLE 119
PROPERTIES OF PICRIC ACID SALTS AND THEIR HYDRATES
According to Tucholski [9]
Temperature
Content of of dehydra- Initiatio
water of tion to the
Picrate
tem-
crystalli- next lower peraturc
zation hydrate
°C °C °C
Meltin
point
2 kg
210
250
316
275.5
Na 1 H 2 O 154
anhydrous - 313
Mg 9 H 2 O^59
6 H 2 O 82
4 H 2 O 125
2 H 2 O 208
anhydrous - 368
Al 16 H 2 O 58
13 H 2 O
3 H 2 O 156
anhydrous 390-395
K anhydrous - 331
Ca 8 H 2 O 14
6 H 2 O 91
5 H 2 O 122
1 H 2 O 228.5
anhydrous - 323
Cr 2 H 2 O 14
anhydrous - 296.5
Mn 8 H 2 O 68.5
3 H 2 O 130
anhydrous - 289
Fe II 8 H 2 O 75
4 H 2 O 97
anhydrous - 296.5
Fe III 10 H 2 O 72.5
1 H 2 O 100
anhydrous - 247
Co 8 H 2 O 40
6 H 2 O 78
2 H 2 O 168
anhydrous - 327.5,
Ni 6 H 2 O 35.5
5 H 2 O 48
4 H 2 O 94.5
1 H 2 O 173.5
anhydrous - 348
* Nitrocellulose ignites from 1 swing, gunpowder from 8 wings.
275.5
155
226
40-25~
According to
T. Urbanski and Slon [10]
Sensitiveness
to impact
(10% explosion)
21 cm
8 cm
28 cm
10 cm
10 kg
19 cm 18
no explosion 9
10 explosion
71
10.5
60 cm
10
53.5
14.5
1
40 cm 5.5
Sensitiveness
to flame
(number
of swings*)