giges f** 
MICROSCOPIC IDENTIFICATION OF FNORGANIC SALTS. EY 
TaBLeE 2.—Uniarial Positive Substances—Continued. 
Substance. 
System, wp €D 
Lebo See a ae Re Ph: ak eee em es ee hs 1. 7190 1. 7330 .014 
a GEO. os 8 et 2 cs AE gi hn ee Sas, Ra lag i 1.7278 1. 7361 . 0083 
ory, bY al ae SE ee a Pueerap; 3 = Sess TSN 1. 8466 1. 9200 . 0734 
Lior Mo: Gs ee eee Sa eee Ditetrae —..22 ose 1. 9733 2. 6559 - 68265 
(PbCH:00s De Shot SOLS Petragre ss. . er Bo See 2.1140 2. 1400 . 026 
2-32) 2 ee ee Gx SSNs. BR Se oe 2 LR gheetet Weak 
2. 552 
3. S SoS ee a ae RO Se. bee be am Os sued), | US ee ot Weak 
\ (green) 
ee ee A A Pi Ee iri te Fe 2.78 '0 2. 8320 046 
‘3. b6- (2 As eee as Sara LS VaR a eee saree eel mene a 2. 8540 3. 2010 | 347 
(red) (red). 
TaBLE 3.—Uniazial Negative Substances. 
Substance. System. wp | Ep | w—e 
bs ie 
le as Et eS ee \Hpe6 3-222. g3 ete 2 | 1.300 | 1.296 | 0.004 
SU SE 6 Oe ee gee ee Se peri £32 3 ee 2 1.4092 | 1.4080 | -0012 
LS A Se a eee oe Ae ky ee eee eer 1.417 | 1.393 -024 
I ae ee 8 a ett | POR ae oe ae ee 124715. |) 1.4721 — .0005 
Stn et Se At 1 Ours ee Soe Ma SOEs 3 1.4720 1.4395 -0325 
Pb,(PbCI)(AsO,)3 steene ae Sa ee fag E 0). ee oe ee 1.474 | 1.465 | -009 
| (red) | (red) 
aNiaesG1 Nass... 2.5.2. -..5.-2--++-- | 5 ag ele ak | 1.4807 | 1.4614 -0193 
SST EDS 2 De ae ot ee on Defesie 32955 09525359 5285.5 1.4991 1.4758 | -0233 
jg a ea Wel rae es eee ee 1.5095 | 1.4684 | -O111 
i ee ORG ae 2 Ban ure Raye 1.5109 1.4873 | 0236 
Modification 
J a ee ee (ot ee Mean n 1.5215 | Very weak 
LE. EA ea ee ee ene AD ee ee Ronee 1.5246 1.4792 -0454 
oS) APES) a re ee “Lye, ice) a chang San 1.5291 1.5039 -0252 
SO Sho SEILER SS Sa ee fb fe ge See ee 1.5296 UA525 201 0044 
SrCl-.6H-Od UD) ee ee ee a ee | rie! et ye 28s 1.5364 1.4866 | -0198 
LU Ta he ee eee | Petras. =. SS. . 28.52 1.5393 1.5125 -0268 
Ge Sr Uae Se ee eee ene pes oes ae Bh x SM LSA ORS os. os aoe eae eee eee 
Loa Ta. SLM: \ epee pe 1.5574 1.5179 -0495 
(N | 2 5 i Deir deck ce { - 1.5766 1.5217 -0549 
SE eee | Pair, oS 1.5874 1.3361 2513 
(NH,),Fe(CN),. BMGT ACL EPO. £24 = Bip ose Se SS 1.6198 1.5922 -0276 
SS vie SE] a ane ee ee Ditetrag-. 3-2 fs 2s. 126365 1.6148 | .0217 
_ i See Pigg tog F Na eyes oe 1.644 1.446 | 198 
le lL eS ee eee rats See, os eee 1.65837 1.4864 | 17197 
4(NH,)28-Os. Lew CA: ee Wetrae ne eae ae 1.6769 | 1.6294 0:75 
Peete Se PRHOMEDS so. ee ee 2 1.68174 1.50256 -17918 
AICISO, unten aMs . =. S-=! Weekrites Sat. Se oh oe 1.694 1.641 053 
ae (green) 
; = eee ite ee cae coke cwt sees sod jb |p 9 ape al Soe eee Spee ears 177 1.515 -202 
DAD Eee es ee ERAGE be ee sas eS 1.735 1.435 | -300 
Malau,Az(G.00. iS See eee SL it pe ger eee eee me 1 UW (De a a S| Re. aes 
Spee ) 
“LEY Pee Aelia DICELESG: oo - ee eee aes 1.744 -020 
ELE OS TGS) ee IDipeiaces 228. 2225 9-565 1.7761 i Gas | -0973 
TESS UR ee Apt S (>. Oe ee ee ae es 1.784 Toes a -010 
MAR ARGS TOPPA § 0 OY Se Diets = 2 ee = ee LS 1.7909 | 1.6527 | -1382 
| BaCu: Cs,(N Soph 5- es See ee Ditetyace = 2 Se. es 1.8013 1.6882 1131 
nih es eee a a oe aa 5B ee ee, 1.8036 1.7983 || -0053 
ance eee ere fee ee best st ES Las ag en em Nm BO 1.818 TGET7 >| -2003 
bie ae ee ee by Fees lane paren gi ene } 1.82 1.5973 | I2227 
Sr0n,Cs,(NES);. > Be a ee a Diteteag..7 =>. %.:2..2... 1.8535 1.6982 | 1553 
GLE a oo ee ae eae AIS et es, Boo Bee be 1.873 1.633 240 
Meebo eis tp a lee MN a Sa 1.9345 | 1.9185 0160 
| (ed) | (red) 
LE We Oe Laas CaP See Cee ee Zelech wt 2.0.00 21121 
j |) lL Sideo Se-e RAR ie ee i; Retrags =e SRO D.2685'-| . 2.182 -0865 
EO a ae ee | Retrag: S255 ak. ee... 2.402 2.304 .098 
4 (red) | (red) 
ie ee eee Saif siorl s Gee tie aoe DIpABED, Fogle t s2.481 i: a | 271 
= LS) Miso ep eS aa ga ee righ oo) 2h Se te | 3.084 | 2.831 | -203 
F | | (Li.) chide’ 4 
oJ CSS eee ae ee ee See : rs Fae PRE pee pay rk Vile Weis 3-0877 | 2.7924 | -2953 
4 
+ Color deep blue. 
¢ Co.or emerald green 
d Bolland gives 1.50, 1.52, 1.545 for n. 
¢ Greenish blue. Pleochroism: Grass green, sky blue. 
f Pleochroism weak: Green, blue-green. 
g Personal communication, Dr. E. T. Wherry. 
hk Color deep blue. Pleochroism: Pale sapphire blue, deep cobalt blue. 
i Color reddish yellow. Pleochroism: || Chief axis greenish yellow, | orange. 
4 Color deep blood :ed. No distinct pleochroism. 
& Pleochroism: Blood red, cochinea! red. 
@ Indices determined Be Due de Ghanities ficthod: 
