( 92 ) 



Ex 1000«^', temp. 62^ Therm. Fahr. reman- 

 ferunto^-,i64. In aqiia infolubilia erant o^^ojp, 

 quae conftabant Aib - carbonate calcis. 



Partibus o^'',o85 , aqua folubilibus , nitratem 

 argenti addidimus, et pondus chlorureti erat 

 o*'',^!^, igitur hydrochloratis fodae o%oio, 

 unde fub- carbonatis fodae o^o/^. 



Infunt igitur in looo*'' nostrae aquae , temp. 

 62° Therm. Fahr. 



Sub - carbonatis calcis o*'',©/^, 



Hydrochloratis fodae o^',oio, 



Sub - carbonatis fodae o^o^^. 



S XIX. 



Analyfts aquat ex flumine de Vecht , propt 

 de Roode Brug \ pridie Idus Julias. 



Nirras argenti et hydrochloras barytae in 

 aquara coctam inftillati , album dedcrunt prae- 

 ciptratum : nullum autem ammonia liquida. 



Syrupus violarum viridis reddebarur. 

 • Ex looo^" hujus aquae, temp. ji^ Therm. 

 Fahr. , evaporatis fupererant ©''•,183. Aqua in- 

 folubilia erant o^^ii^, quibus acido hydro- 

 chlorico diluco tractatis , rcmanferunt fulphatis 

 calcis o^^^oai. Reliqua o'''',094 fub-carbona- 

 te calcis conftabant. 



