174 Mr. D. Campbell on the Action of the Soap-Test 

 Table No. 5. Table No. 6. 



Lime 





Magnesian 



Soap-test 



Additional 



Lime 





Magnesian 



Soap-test 



Additional 



standard. 



standard. 



measures. 



soap-test 



standard. 



standard. 



measures. 



soap-test 















measures. 















measures. 



6 



+ 



o 



1 



13-4 







4 



+ 



o 



1 



107 







6 



+ 



2 



14-4 







4 



+ 



2 



12-8 







6 



+ 



3 



14-8 







4 



+ 



3 



146 







6 



+ 



4 



151 







4 



+ 



4 



163 







6 



+ 



5 



15-3 







4 



+ 



5 



15-9 



+ 



6 



+ 



6 



15-4 







4 



+ 



6 



154 



+ 4-0 



6 



+ 



7 



140 



+ 2-4 



4 



+ 



7 



14-3 



+ 6-8 



6 



+ 



8 



121 



-f 121 



4 



+ 



8 



11-9 



+ 110 



6 



+ 



9 



H-9 



+ 12-7 



4 



+ 



9 



9-7 



+ 15-2 



6 



+ 



10 



117 



+ 135 



4 



+ 



10 



8-2 



+ 187 



6 



+ 



11 



11-4 



4- 14-3 



4 



+ 



11 



7-8 



+ 210 



6 



+ 



12 



11-2 



4- 15-0 



4 



+ 



12 



76 



+ 22 2 



6 



+ 



13 



110 



+ J57 



4 



+ 



13 



7-4 



+ 23-3 



6 



+ 



14 



10-9 



+ 161 



4 



+ 



14 



7-2 



+ 23-9 



6 



+ 



15 



10-8 



+ 16-4 



4 



+ 



15 



71 



+ 24-4 



6 



+ 



16 



107 



+ 167 



4 



+ 



16 



70 



+ 25-0 









Table 



No. 7. 







Lime 







Magnesian 



1 Soap-test 





Additional 



standard 







standard. 



1 measures 





soap-test 

 measures. 















2 



+ 



1 



! 7-5 







2 



+ 



2 



95 







2 



+ 



3 



113 







2 



+ 



4 



13-2 







2 



+ 



5 



14-4 





I 



2 



+ 



6 



160 







2 



+ 



7 



178 







2 



+ 



8 



170 



4 



1-6 



2 



+ 



9 



16-3 



4 



32 



2 



+ 



10 



15-3 



4 



51 



2 



+ 



11 



12-5 



4 



9-9 . i 



2 



+ 



12 



12-2 



4 



- 10-6 



2 



+ 



13 



11-9 



4 



- 121 



2 



+ 



14 



| 11-6 



4 



- 13-6 ( 



2 



+ 



15 



11-2 



4 



- 15-2 1 



2 



-f 



16 



10-8 



4 



- 16-9 



i 



Remarks upon the Tables. 



Table No. 1. Magnesia Standards. — On comparing the 

 number of soap-test measures which I have found requisite 

 to produce a perfect lather with the magnesia standards, with 

 the number of soap-test measures which will cause a similar 

 effect with the corresponding standards of lime*, it will be 



* These are the same which are given by Professor Clark in a private 

 circular to his chemical friends, and which I have introduced into Table 

 No. 1, to serve for comparison with the results I have obtained,;and which 

 are detailed in that and the other tables. 



