Drift- Weed Kelp from Orkney. 



263 



Carbonic acid, . r „ . . . 2*1 00 



[9vflo Chlorine, . . ™™* ™ . . 24-365 



doiil Iodine, . . .' 8Ji i slxQ ? f ^ llf l -292 



Bromine, . . . rri p/tiwofjol erli trace. 



^o eh Potassiunji >9 ^tfqi9o«fq*&n7^ bio£ OFmdqfcjB 16-000 



.noli; ^ ime > D^JSlaqagT gsi^d % stadqlua • oil ■■ ^~2 airiicd 

 agnesia, .^ ^-^ .... ____ •, 9 dT 



-o^-usd **o etenodije-j oift -lefts c -ro]jpiI oiIT 49-754 



The deficiency here is the soda, as may be seen by the two 

 following Tables, in which the acids and bases are united 

 according to their affinities ; and the result of the examina- 

 tion of a hundred parts of kelp is given, comprehending both 

 soluble and insoluble matter : — 







Sul- 

 phuric 



Sul- 

 phurous 



Hypo- 

 sul- 



Sul- 



Chlo- 



Potas- 



Sodium. 



Lime. 



Mag- 





Acid. 



Acid. 



phurous 

 Acid. 



phur. 



rine. 



sium. 







nesia. 



ulphate of potash, . 



2-058 



... 



... 



... 



. . . 



2-058 





. .. 



. . . 



ulphate of soda, 



2-000 



... 



... 









1-06 







ulphate of magnesia, 



0-693 





... 



... 



... 



... 





t'f9Yfl( 



•231 



ulphate of lime, 



0-164 









... 



... 





•115 



... 



ulphite of soda, 





•392 



... 



... 







•261 







[yposulphite of soda, 







•132 







... 



•058 







ulphuret of sodium, 



Phos- 

 phoric 

 Acid. 







•6616 



. . . 



. • . 



•9894 



. . . 



•• • 



hosphate of soda, . 



•3245 

 Car- 

 bonic 



... 



... 









•162 



























Acid. 







'. 













ar Donate of soda, . 



2-180 



'.'.'. 



L 



... 







1-846 







hloride of potassium, 





... 



12-584 



13-943 









ihloride of sodium, 

 hloride of calcium, 



... 



... 



... 



[q«<5d< 



11-570 

 •147 



... 



7-764 

 ... 



... 

 •116 



... 





Iodine. 





riqabjd 



qiB'e* 



i ojn.1 











)dide of magnesium, 



•292 







. .. 



" 



• . . 







•040 



romide of magnesi um, 



Bro- 

 mine, 

 trace. 



«rgBi& 





ihpodci 









••• 







— 





.... 







Table of Per-Centage Composition of Orkney Kelp. 



Insoluble Salts. 



Carbonate of lime, . . . 2*591 



Phosphate of lime, . . . 10*556 



Oxysulphuret of calcium, . 1*093 



Silicate of lime, . . . 3*824 



Carbonate of magnesia, . . 6*554 



Sand, 1*575 



