354 J. II. Long — Polarization of Tartrate Solutions. 



Formula and amount of inac- 

 tive salt added to 20g-m. of 

 KNa C 4 H 4 6 .4H 2 in lOOcc. 



NaCl 5s m 



Observed 



rotation 



a 



8°-n9 



Specific 



rotation 



[a] 



2T-80 



Deviation 



from 

 Normal. 



-°'30 



NaCl...- 

 NaCl . . . 

 NaCl .... 





._ 10 

 ._ 15 



._ 20 



8-483 

 8-218 

 7-900 



21-21 

 20-54 

 19-75 



- -89 

 -1-56 

 -2-35 



NaBr 



NaBr... 



NaBr 



NaBr.... 





5 

 .. 10 

 .. 15 

 .. 20 



8-757 

 8-668 

 8-558 

 8-440 



21-89 

 21-67 

 21-40 

 2110 



- -21 



- '43 



- -70 

 -1-00 



Na 2 S0 4 (anhyd.)... 



Na 2 S0 4 

 Xa 2 S0 4 

 Na 2 S0 4 



5 

 . 10 

 . 15 

 . 20 



8669 

 8-526 

 8-376 

 8 200 



21-67 

 21-32 

 20-94 

 20-50 



- -43 



- -78 

 -1-16 

 -1-60 



NaN0 3 -- 

 NaNOg.. 

 NaN0 3 -- 

 NaN0 3 -. 





5 

 . 10 

 . 15 

 . 20 



8-688 

 8-604 

 8-514 

 8-426 



21-72 

 21-51 

 21-29 

 21-07 



- -38 



- -59 



- -81 



- 1-03 



Na 2 HP0 4 

 Na 2 HP0 4 

 Na 2 HP0 4 

 Na 2 HP0 4 



. 12H 2 0. 

 . 12H 2 0. 

 . 12H 2 0. 

 . 12H 2 0_ 



5 

 . 10 

 _ 15 

 . 20 



8-765 

 8-721 

 8-675 

 8-630 



21-91 

 21-80 

 21-69 

 21-58 



- -19 



- -30 



- -41 



- -52 



Na 2 S 2 3 . 

 Na 2 S 2 3 . 

 Na 2 S 2 3 . 

 Na 2 S 2 3 . 



5H 2 ... 

 5H 2 ... 

 5H 2 ... 

 5H 2 ... 



5 

 . 10 

 . 15 

 . 20 



8-744 

 8611 

 8-497 

 8'365 



21-86 

 21-53 

 21-24 

 20-91 



- -24 



- -57 



- -86 

 -1-19 



NaH 2 P0 2 

 NaH 2 P0 2 

 NaF[ 2 PO Q 

 NaH 2 P0 2 



. H 2 0... 

 . H 2 0... 

 . H 2 0... 

 . H 2 0... 



5 

 . 10 

 . 15 

 . 20 



8-761 



8-575 

 8-360 

 8-127 



21-90 

 21-44 

 20-90 

 20-32 



- -20 



- -66 

 -1-20 

 -1-78 



NaC 2 H 3 O s 



NaC 2 H 3 0< 

 NaC 2 HgO, 

 NaC 2 H 3 ; 



. 3H 2 0_. 

 . 3H 2 0.. 

 . HHoO.. 

 . 3H 2 0_. 



_ 5 



. 10 



. 15 

 . 20 



8-782 

 8-681 

 8-566 

 8-450 



21-95 

 21-70 

 21-41 

 21-12 



- -15 



- -40 



- -69 



- -98 



Na 2 B 4 7 



10H 2 O__ 



. 10 



8-729 



21-82, 



— -28 



Na 2 W0 4 ( 



anhyd.).. 



. 10 



8-276 



20-69 



-1-41 



LiCl (anhyd.) 



.6-752 



8-172 



20-43 



— 1-67 



T1 2 S0 4 .._ 





5 



7-469 



18-67 



-3-43 



KC1 



KOI 





5 

 . 10 



. 15 

 . 20 



9-088 

 9140 

 9-228 

 9-372 



22-72 

 22-85 

 23-07 

 2343 



+ -62 

 4- -75 



KC1 ,. 





+ -97 



KC1 





+ 1.33 



KBr 



KBr 



KBr 



KBr 





5 

 . 10 

 . 15 



. 20 



9-087 

 9-123 

 9-172 

 9-244 



22-72 

 22-81 

 2293 

 2311 



+ -62 

 + -71 

 + -83 

 + 1-01 



KI 



KI 



KI. 



KI 





5 

 . 10 

 . 15 

 . 20 



8918 

 9-025 

 9-105 

 9-182 



22-29 

 22-56 

 22-76 

 22-95 



+ -19 



+ -46 

 + -66 

 + -85 



KNO3--- 

 KNO3---. 

 KNO3---- 

 KN0 3 .._. 





5 

 _ 10 

 . 15 

 . 20 



8-986 

 9-104 

 9-239 

 9-387 



22-46 

 22-76 

 23-10 

 23-47 



+ -36 

 + -66 

 + 1-00 

 + 1-37 



