BULETINUL SOCIETĂŢII DE SCIINŢE 



175 



/SIS 



As^-SH 

 \|SH| 



Acid triortosulfo-arsenios pentabasic. 

 icul 



As^-S— H 

 \S— H. 



As 



As— SH 



Asf-SH. 

 \SH. 



= As 3 S 6 H 3 . 



Acid triortosulfo-arsenios tribasic; si 



As 



= As 3 S 5 H. 



As: 



/S|h| 



As— SH 



\|SH| 

 /SjHJ 



As_ |SH 



\1h 



Acid triortosulfo-arsenios monobasic. 



In acelaşi mod vom găsi următorii acidî: 



As^-SH 



/ 

 As 



As- 



SH 

 SH 



X S 



As— SH 



\s 



As^SH 

 \S 



As^ 



A / s 



As ;— SH 



As 



As^-SH 



\s 



:As4 S 9 He As / SH =As*S 8 H* As , 



SH 



= As* S 7 H 3 



As^ 



SH 

 SH 



Asf-SH 



\SH 



As 



Apoî: As 6 S 13 H 8 , As 6 S 12 H 6 , As 6 S u H±, As 6 S l0 H 2 



As 8 S 17 H 10 , As 8 S 16 H 8 , As 8 S 15 H 6 , As 8 S u H* } As 8 S 13 H 2 . etc. 



Dacă observăm formulele acestor acidî, vedem, că'î putem representa 

 prin formula generală: 



As n S 2n+1 H n + 2 



