EEPOET OF CHEMICAL LABOBATOEY 



207 



White Nile 



Bloe Nile 



Solids in .suspension 



Solids in solution 



" Free ammonia " (NH3) 



"Albuminoid ammonia" (NH3) 



Oxygen absorbed in 10 minutes, 



at 100° C. 



Nitrites (N) 



Nitrates (N) 



Carbonates (CO3) 



Chlorides (CI) 



Sulphates (SO,) ... 



1904 



1905 



Nov. Dec. Jan. Feb. 



March 



April May June | July Aug. I Sep. 



67-59 



105-00 



0-010 



0-140 



n. d. 

 none 



0-030 

 40-84 



1-64 



4-95 



19-42 6-61 

 109-15 116-00 

 trace i 0-006 

 0114 0-076 



1-70 

 none 

 0-022 



0-80 

 none 

 0-015 



41-40 47-45 



1-56 

 5-10 



1-60 

 7-00 



8-95 



120-00 



0-020 



0-160 



0-65 

 none 



0-029 

 66-80 



2-68 



7-23 



I 



6-5 7-0 I 7-0 |472-0* 993-6* 



... '130-00 135-00 



0-030 

 0-180 



0-03 

 0-198 



0-84 0-89 

 none ,' none 



0-050' 0-054 

 57-09 69-89 



4-51 

 7-6O 



Oct. 



7-70 

 7-69 I 



Nov. 



no-0 

 110-0 



-018 

 0169 



3-6.1 

 none 

 0-040| 

 44-52 

 2-64 

 4-97 



6«-0 



103-00 

 0015 

 0-138 



2-20 

 none 



0-035 

 40-28 



1-86 



4-80 



* Determination made by H. R. Friedrichs 



