Absorption of X-Rays. 

 Table IV. 



481 



Substance. 



Concentration 



in gram- 

 molecules pr 1. 



X.m.k. 



NaC10 3 



NaCl 



NaOH , 



C 6 H 6 (Benzene) , 



CH 4 (Methyl alcohol) ... 

 O 4 H 10 O (Buthyl alcohol).. 



C 3 H 6 (Acetone) 



C 4 H 10 O (Ethyl ether) 



C 3 H 8 (Propyl alcohol) ... 



(C 2 H 5 ) 4 Si 



(C 6 H 5 )Si(CH 3 ) 3 



HNO, 



H 4 NNO, 



C 6 H 5 N0 2 (Nitro-benzene) 



C 5 H 5 N (Pyridine) 



C 6 H 5 NH 2 (Aniline) , 



MgCl 2 



A1 2 (S0J 3 



H 3 P0 4 



H o S0 4 



HC1 



KC1 



CaCl 2 



CrCl 3 



MnCl 



XFe(SOJ 2 , 



NiCL.... 



CoCl 2 



CuCl 2 



ZnCl 2 



ZnS0 4 



Na 2 HAsO, 



KBr 



SrCl 2 



M0 4 (+3-85m. HC1) 



AgN0 3 



CdCl 2 



Nal 



BaCl 2 



Na W0 4 



H 2 PtCl 6 



HgN0 3 



Pb(N0 3 ) 2 



Bi(N0 3 ) 3 



U(S0 4 ) 2 



3—POl 

 3-38—0-43 



16-75 



11-3 



25-0 



109 



13-7 

 9-68 



13-45 

 5-27 

 5-76 

 40 

 1-85 

 9-82 



12-5 

 8-05 

 3-68—0-92 

 0-97—0-21 

 5-73—2-80 

 40 —1-0 

 4-72—1-78 

 3-59—0-43 

 2-48—0-62 

 1-0 —0-25 

 0*99—0-24 

 0-48—0-24 

 1-0 —0-25 

 1-0 —0-25 

 1-0 —0-13 

 1-0 —0-25 

 1-0 —014 



10 

 0-53—0-46 

 0-4 —0-14 



013 

 0-27-0034 

 0-26—0-033 

 0-25—0-063 

 0-25-0031 

 0-2 —005 



0035 

 0-125—0031 



0-125 

 0-08—002 

 005—0013 



14-2 

 11-5 



2-77 

 2-97 

 1-56 

 3-32 

 2-58 

 3-31 

 2-69 

 8-56 

 9-06 

 3-36 

 4-17 

 5-40 

 3-14 

 3-63 

 22-5 

 41-0 

 9-43 

 11-48 

 9-55 

 20-7 

 33-4 

 52-6 

 60-4 

 79-4 

 78-4 

 72-9 

 84-1 

 96-3 

 84-8 

 136 

 165 

 192 

 246 

 303 

 320 

 317 

 353 

 316 

 586 

 550 

 576 

 687 

 1146 



