30 DR. GLADSTONE ON THE REFR ACTION-EQUIVALENTS OF THE ELEMENTS. 
II. Aqueous Solutions (continued). 
Substance. 
Formula. 
Equiva- 
lents of 
water. 
Specific 
gravity. 
Tempe- 
rature 
Centi- 
grade. 
M- 
fj D. 
pH. 
Itefrac- 
tion- 
equiva- 
lent. 
Ammonium Acetate 
NH 4 C 2 H 3 0 
7 
1-079 
14 5 
1 -3883 
1-3929 
1-4070 
31-57 
,, Chromate 
(NHMCr 0 
60 
1-0/6 
14-5 
1-3613 
1 -3672 
58-12 
Bichromate 
(NHACi',0, 
] 107 
15 
1-3740 
8,7-06 
,, Sulphate 
(NILAS (1 ‘ 
26 
1-129 
11-5 
1 -3645 
1 -3687 
1-3801 
39-63 
2603 
1129 
1 2-5 
1-3637 
1-3682 
1-3795 
39-19 
30 
1-114 
13 
1 -3600 
1 3646 
1-3761 
39 26 
’ 
40 
1-082 
12-5 
1-3510 
1 3555 
1-3668 
38-81 
,, Oxalate 
(NIIAC., 0, 
75-22 
1 019 
26-5 
1 3364 
1 -3408 
1-3517 
49-29 
Hydrochloric Acid 
H Cl..." ‘ 
5 
1-143 
15 
1-3991 
1*4053 
1-4215 
14 53 
5 
1-144 
1 1 *5 
1-3954 
1-4010 
1-4168 
1^08 
” 
6 
1127 
14 
1 -3924 
1-3983 
1-4136 
14-75 
’ 
416 
1-163 
22 
1-4031 
1-4096 
1-4268 
33-96 
419 
1-165 
17-5 
1 4035 
1-4094 
1-4270 
13-93 
, 
4 5 
1-156 
17 
1-4007 
1-4072 
1 -4239 
14-07 
Hydrobromic ,, 
HBr 
13 
1-217 
115 
1 -3830 
1-3991 
20-65 
, Ilydriodic „ 
HI 
13 
1 340 
23 
1 3996 
1-4067 
3117 
Nitric ,, 
UNO 
0-28 
1-521 
13 
1-4076 
1-4147 
16-60 
0 9 
1-460 
12 
1-4003 
1-4067 
1-4252 
1 6-33 
2-69 
13 
1-3975 
1 -4040 
1-4220 
16-59 
Formic ,, 
II CHO 
3-47 
1 103 
21 5 
1 3499 
1-3542 
1-3662 
13-85 
26-22 
1 022 
22 
1-3342 
1-3385 
1-3495 
14 00 
26-68 
1-023 
19 
1 -3338 
1-3381 
1-3491 
13-57 
Acetic ,, 
H C H, 0 
7-44 
1042 
1 9-5 
1-3513 
1-3557 
1-3671 
21-29 
Sulphuric ,, 
H S r 0 4 .." 
0-42 
1-843 
12 
1-4291 
1-4340 
1-4466 
22-09 
1 
1-767 
13 
1 -4332 
1-4384 
1-4513 
22-50 
1 
1-781 
14-5 
1 -4344 
1-439.6 
1-4521 
2 
1-659 
9 
1 -4230 
1-4285 
1-4410 
22-32 
3 
1-557 
14 
1-4117 
1-4150 
1-4301 
22-41 
5 
1-430 
9 
1-3949 
1 -4003 
1-4127 
22-28 
V 
11 
1-258 
9 
1-3714 
1-3765 
1 3881 
22-33 
25 
1-118 
9 
1-3499 
1 -3544 
I -3657 
23 33 
25 
1 127 
13 
1-3514 
1 3559 
1-3672 
22-70 
Tartaric „ 
h.ch, 0 
12-86 
1-210 
23 
1-3851 
1-3899 
1 -4022 
45-17 
12-86 
1-213 
19-5 
1-3869 
1-3913 
1 -4039 
45-42 
Racemic , , 
40 
1077 
24-5 
1-3498 
1 -3544 
45-54 
Oxalic „ 
H C 0, 
86-94 
1-034 
18 
1-3368 
1-3413 
1-3520 
23-44 
Citric ,, 
H.' Cl H- 0 
22 
1-161 
23 
1-3777 
1 -3820 
1 -3944 
60-89 
Cacodylic ,, 
As C ILO' 
55-39 
1059 
14-5 
1-3438 
1-3482 
1-3596 
40 09 
Barium Chloride 
Ba Cl, .'..A 
60 
1-166 
13 
1-3557 
1-3601 
1 -3722 
37-32 
„ Bromide 
Ba Br 9 
26 
) -503 
8-5 
1-4024 
1-4080 
] -4242 
50-72 
,, Iodide 
Bal ... 
56 
1-321 
22 
1-3784 
1-3842 
1-4008 
69-72 
„ Nitrate 
Ba(N 0 3 ) 
200 
1-055 
22 
1-3356 
1-3398 
1-3508 
43-26 
,, Formiate 
Ba (C H O' ) .. . 
41-34 
1-225 
24-5 
1-3593 
1 -3637 
1 3759 
39-82 
,, Acetate 
Ba.(C H 6 3 
26 
1-314 
14 5 
1-3826 
1-3872 
1-4006 
56-44 
84-5 
1137 
8 
1-3592 
1 3751 
78-98 
Strontium Chloride 
Sr Cl, 
22-90 
1-299 
16 
1 -3883 
1-3931 
1 -4074 
34-88 
28 
1-255 
16 
1-3801 
1-3847 
1-3987 
34-78 
32 
1-224 
10-5 
1-3731 
1-3782 
1-3912 
34-28 
36 
1-199 
16 
1-3698 
1-3742 
1-3869 
35-42 
” 
40 
1-180 
16 
1-3660 
1-3703 
1-3829 
35-46 
44 
1167 
115 
1-3628 
1 -3670 
1-3797 
34-80 
” 
48 
1-152 
16 
1-3606 
1-3647 
1-3772 
35-70 
Bromide 
Sr Br 
26 
1-39!) 
9 
1 -394 l 
1-3997 
1-4158 
47-52 
Nitrate 
Sr (N'O.j) . 
60 
1-147 
12 
1-3527 
1 -3574 
1-3698 
41-68 
„ Formiate 
Sr (CHO F 
78-96 
1 089 
21 5 
1-3454 
1-3497 
I -3606 
39-04 
,, Lactate 
Sr C ( . H lr , 0 . . 
320-66 
1-028 
8 
1 -3370 
1-3410 
1-3524 
78-2 
Calcium Chloride 
CaCl, 
26 
1-172 
13-5 
1-3774 
1-3824 
1-3960 
32-28 
,, Bromide 
Ca Br”, 
26 
1 -306 
25 
1-3874 
1-3926 
1-4087 
44-32 
,, Iodide 
Cal ^ 
52 
1-241 
23 
1-3747 
1-3805 
1 -3970 
64-06 
,, Nitrate 
Ca(NOA •••• 
26 
1-226 
12 
1-3740 
1-3788 
1 -3931 
38-66 
Formiate 
Ca (C HO,)- . 
52-44 
1-090 
21 5 
1-3499 
1-3543 
1-3658 
33-94 
Acetate 
0a(C)H 3 O.i), 
32 
] -131 
12 
1-3689 
1-3736 
1-3860 
49-80 
,, Hypophosphite 
Ca (PH„Or. 
64 
1-089 
125 
1-3510 
1-3549 
1-3666 
46-88 
,, Hyposulphite 
Ca S 9 Oo 
31 
1-210 
12 
1 -3855 
1-3908 
1-4047 
42-52 
Magnesium Chloride 
Mg Cl ,! 
26 
1-156 
14-5 
1-3757 
1-3805 
1 -3943 
2S-88 
,, Nitrate 
Mg (No,), 
26 
1-194 
8-5 
1-3683 
1-3736 
1 -3872 
35-92 
,, Formiate 
Mg (C H O' ), 
63-10 
1 062 
24-5 
1-3439 
1-3482 
1-3595 
30-80 
„ Acetate 
Mg C,H,OA 
20 
1-170 
13-5 
1 -3835 
1-3881 
1-4010 
46-02 
„ Sulphate 
MgS0 4 
31-18 
1-187 
15-5 
1-3643 
1-3681 
1-3805 
24-18 
