
4 es. end v, Ny bes 
CONDITIONS OF THE EXPERIMENT. 

wey oe om dL 
Actual | Ciforine in 





















, | Chlori _absorbers nb’ = 
| Experiment | a Fat ” | Sears contained. eal aes A ; 
7 Sr ateria rams. am ; itage on the total Chlorine - a fae 
oe Grams Game) . nthe charge : 
à 3-850 : 0 66°0 28°5 37-5 34°0 Used a mixture of air 2 vols.: oxygen 3 vols. Porcelain] Sample tly not dry. 
1 F É 7 tube, 30in. Exit end heated to redness before heat- F Morte anaes 
es ~ r ¥ ing the charge. Tube rotated once. Duration of 
L 9 G 3-920 0 a0" 40 0 35°0 25°0 Conditions as in 1. {experiment 35 minutes. 
3 FE 10 1-925 0 ae 27°0 ss Used an asbestos plug to keep back finely divided Fe, O,| Tube choked. 
: 7 which is mechanically carried over into absorbers... 
4 G 10 1-960 0 63°1 38°6 24°5 369 As in 1, but more rapid air current......... ..... DÉDtnaTe 
5 G 10 1:960 0 765 30'8 45°7 23°5 As in 1, but heat more gradually applied....... ..... pode 
6 Cc Fr 29-460 0 DCE DE Ba ne A U-tube, immersed in ice, placed at end of combustion| Exit tube choked by Fe, 0,— 
| tube, to retain Fe, (Cle... the sees cence Sara 
i Cc 5 2° 460 0 78°6 34.0 44.6 21'4 Conditions ain le een ere ee ersttenen Samples G, x, ant & seem 
not thorough Sy. 
8 © 5 92-460 0 78°9 36°0 42°9 21'1 Conditions as in 1, but air current slower................ Cds 
Cc 5 2-460 0 69°4 33°2 36°2 30°6 Improved apparatus for drying the gas ............ na yl 
9 
10 A 5 2-365 0 84°6 46°3 38°3 | 15:4 Conditions as in de. eee SES Sort 
11 A 5 2:365 0 79°7 43:7 36:0 20:3 Irene rt SE APE RSR og 3 aoe 
12 CC 5 2°545 0 69°6 619 Wa | 30°4 Conditions as in 1. Sample granular....................- Sample very dry. 
13 CC 5 2°545 0 72-1 66°5 56 | 2719 Conditions as in 1. Sample granular ............... .. 
| 
14 cc 2:5 1:273 0 735 68°6 4-9 | 26% Conditions as in 1. Sample granular............ . ..... 
15 CC 5 2°545 0 641 58°5 56 39'9 Conditions as in L. Sample very fine powder. 
16 CC 5 2-545 0 62°3 56°0 63 37°7 Heat applied under the charge only...................... 
17 CC 5 2°515 10 80°1 571 23°0 19°9 Fe: 0, contained some Ca SO,, and was not absolutely dry. 
18 CC 5 2-545 10 91°8 80°0 11°8 8-2 Fey O; was thoroughly dry, ai ? vols. : oxygen 1 vol....| Highly oxygenated air seems 
unnecessary. 
19 CC 5 2.545 10 772 660 11°2 | 22°8 | Used air only, 6 litres, 4.e.. twice the theoretical quantity 
for/oxidationlof the CHATS... 20sec... sees jon ee 2 
20 CC 5 2-545 5 80°6 69°4 11:2 19°4 Tube rotated several times. Air and oxygen 1 vol. : 1 vol. 
21 CC 5 2-545 0 765 64°0 12:5 23°5 Added 10 grams dry gypsum to the charge............... Contents of tube coked. 
22 CC 5 2°45 10 92°5 75 5 17:0 T5 
23 SX 10 2°580 0 84-4 30°0 54°4 156 Charge consisted of Fe SO, and Ca Cl in molecular pro-| 56% chlorine in absorbers 
. NE ae _ DOrtIONS......-.-... Mee oer ere ne eter bec existed as Fes Cls.— 
24 cc 5 2-545 0 70°7 58°5 12°2 29°3 Mixed 10 grams dry sand with the charge................ 
25 CC 5 2.545 15 86.6 A U-tube with glass beads and strong HC! was arranged, Fe. O, acts catalytically. 
to wash the gas, and retain Mey Cly—&c... .-....... 
26 cc 5 2345 5 85-4 73°4 12:0 146 
27 AA 5 2°610 15 | 82°2 73°2 9°0 | 17:8 Zine was accidentally en in sample AA, from its} Zn Cl, sublimed over into 
5 | having been heated on a galvanized iron plate. .... receivers. 
28 EE 5 2-190 10 92°6 83°6 90 | 74 These are the first experiments in which a material quite} Importance of Fe, 0; demon- 
: free from Zn Cl has been used............. ........ strated. 
29 EE 5 2°190 0 | 71'8 475 24°3 28°2 
30 EE 5 2°190 15 | 95°3 86°4 8-9 4°7 Further corroboration. 
31 EE 5 2190 15 | 81:0 70°0 11:1 190 Used'air only (db litres) eee: ce Probable oxygen starvation. 
32 EE 5 2-190 15 88.7 757 13°0 11°3 Like 31, but used 6°5 litres air.2.......22.1... 7. ....| The mean dilution of chlo- 
| | rine by air for 31 and 32 
a “2 | is Ch:air::1:11 vol. 
33 EE 5 2-190 15 97°0 86°0 11:0 | 30 Used 8 litres air. Meat applied only under the charge. .| Oxygenated air not neces- 
sary in the process, so 
far as decomposition of 
| - Fe, Cl, is concerned. 

1 For detailed description of these samples, see p. 53. 
* The Chlorine (gas) obtained is diluted with residual air in the ratio 1 : 10 —. 
Experiments 31 and 32 is, Chlorine: Air : : 1 : 11 vols.— 
Would Gaseous Chlorine so dilute as this be available for manufacture of bleach? The mean dilution of the Chlorine in 
