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MANUFACTURE OF PICRIC ACID 511 FIG. 117. General view of nitrators for the production of picric acid [8]. The mixture of phenols ...
512 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES used. The solution is brought to boiling for 5 hr to transform the remaining nitro- p ...
MANUFACTURE OF PICRIC ACID^513 FIG. 119. General view of continuous production of picric acid [8]. The liquid, together with the ...
514 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES NITRATION WITH CONCENTRATED ACID The low yield of the nitration with the dilute nitri ...
MANUFACTURE OF PICRIC ACID^515 Molten phenol having a temperature of 80°C is transferred to a heated propor- tioner and from the ...
516 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES picric acid 1-2% total acidity (as H2SO4) 83-84% SP. gr. 1.775 is added. Before start ...
MANUFACTURE OF PICRIC ACID The sulphophenol nitration takes ca. 64 hr, including: 517 Charging the nitrator with sulphophenol 30 ...
518 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES why the picric acid which has passed through the centrifuge gauze and has preci- pita ...
MANUFACTURE OF PICRIC ACID may be removed from time to time through door (3). Crystals of the required size pass through the gau ...
520 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES The reaction is carried out in a cast iron jacketed nitrator equipped with a stirrer ...
Store, of chlorobenzene and sulphuric acid Nitration of chlorobenzene Hydrolysis to dinitrophenol I Trinitration I Washing FIG. ...
522 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES used. The recovery of mercury proved to be not worth-while, since its concentration i ...
MANUFACTURE OF PICRIC ACID 523 H. ARUNDAL, G. P. DAVIES and I.C.I. Ltd., Brit. Pat. 370436 (1931). I. V. LEBEDEV, Proizvodstwo ...
CHAPTER XV OTHER NITRO DERIVATIVES OF PHENOLS PICRIC ACID ISOMERS APART from picric acid, unsymmetrical β− and γ− trinitrophenol ...
OTHER NITRO DERIVATIVES OF PHENOLS^525 the properties of its potassium salt (as for example the solubility) differ from those of ...
526 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES TABLE 119 PROPERTIES OF PICRIC ACID SALTS AND THEIR HYDRATES According to Tucholski [ ...
OTHER NITRO DERIVATIVES OF PHENOLS TABLE 119 (continued) 527 According to Tucholski [9] According to T. Urbanski and Slon [10] T ...
528 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES should be regarded as the quinonoid form. Hale [15] found that the colour of ammo- ni ...
OTHER NITRO DERIVATIVES OF PHENOLS 529 TABLE 121 DETONATION RATE OF AMMONIUM PICRATE (BOTH FORMS) AT VARIOUS DENSITIES (IN A STE ...
530 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES GUANIDINE PICRATE Guanidine picrate may be obtained by acting with a warm aqueous sol ...
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