CHEMICAL BA>I> OF THE AXIMAL BODY- 13W 



sorption band in the eitieme violet. the 

 taki ng place between A and JL 



Althoogfa it is quitegeacy to obtain typical errstals under the 

 microscope from mianff amounts of 



their preparation on a large scale 



The successful 

 quantities of 



_ 



importance for medico-legal purposes, since 



PH tumC VQBGBGG OR 



the nature of the material used in their preparation . In the 

 detection of blood-stains it is usual first to rraminr with a 

 spectroscope an aqueous solution of the colouring: matter if it, 



of oxy- 



faapmofflobtn or metniemopioouL. 1^ old i 



is frequently oW<muNifted, in which case it 



water, and *HT^I^ f^^t^fo must be made and examined Cur 



the spectra characteristic of hrmiliu. The residues from the 



spectroficopic examination are lastly used to prepare 



crystals* final confirmation *** the 



obtained. 



TJsng amrlalomol in the 

 tated that the crjntals hawe the 



of C^H^X^FeO,. HCL When the 

 aflkans as mthe 



::; -:...- 



prepared are 



for preparing 



;-.- :_ .--.- : - ,.--: ^^ r>"_ : 



this haasatin with strosg satphnrir and. it loees its 



with oxygen yields huuntoporphymi or non-free 



whieu ts nowever nnther regarded as denwd by uEhiuratMU 



a true him iliym phyrin whose <mmjiinutiuu B C^aX/V The! 



, ^-- - . _ . _ _ _ -^_- _ .-^ u^^m^ m,-__ 



K ImUtt muifimUXuU Ul ftmVpQCfltftfAft ! DtlllVDumV 



undoubtedly C^^X/V Tha ts regardrd 



pioiif of the cjenemc idatBanshup of the hihv 

 the denvatMU of the Conser from 



-Fe = 



1 - Hjematsnsrphyra. ^xx^aB^^^cCTX (Iron-free, 

 tin.) 



If bjemalin is dtnorved in cjouccntiatod sn^nhnne acid ifc 

 yields a sotntion which, after filtration thrown adbenoc, is of a 



brilliant purple-red colour. BT the action of the aad. the 

 is removed from the himilis and hi <iys|ihiiiB is fan 

 If this solution is diluted with sulphuric acid it shews with 

 spectroscope two absorption bands of which one adjoins D to 

 the red side of this line, while the other is *ery strongrj marked 



