132 ISABURO NAGAT: 
No. of Condition. No. of grains. 
Reagent. hours | Material. noe Nor 
steeping. esic- é 0 
ping cated, | Ait dry.| Germ. esr Total. 
Naphtalene 24 Se OY ee): + 0 5 
(Continued) = IWZED); + 5 0 
- 24 YD; a 4 1 5 
1% ab. ethyl alcohol sol. F ee)! + 5 0 5 
> Ae, Ab) + 0 5 5) 
2 W. D. + 0 5 5 
a-Naphtol 24 Ye D: + 2 3 5 
0,.0,08 Fr W. D ae 3 2 5 
5% ab. ethyl alcohol sol. T You: 4 0 > 5 
= WED: + 0 15) 55 
> 24 NED: -+ 0 5 a 
5% ethyl ether sol. a VEN). + 2 3; 
a-Naphtylamine 24 Yad = 4 1! 5 
Ui ola Noe - Weed: + 4 1 5 
10% ab. ethyl alcohol sol. é v2) ar 0 5 5 
H w.D a 0 5 5 
” 24 YD: + 0 5 5 
10% ethyl ether sol. Hl Wen ae 2 3 5 
Hydrogen peroxide 24 Vo 1D: + 5 0 5 
H,O, 99 rg) ie 4 1 5 
Hg Cl, | ven: + 
0.5% ab. ethyl alcohol sol. Wie) a 
0.59 ethyl ether sol. 4 
0.59 water sol. 5 
