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DataMuseum.dkPresents historical artifacts from the history of: RC4000/8000/9000 |
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Length: 1536 (0x600)
Types: TextFile
Names: »iontxt«
└─⟦621cfb9a2⟧ Bits:30002817 RC8000 Dump tape fra HCØ. Detaljer om "HC8000" projekt.
└─⟦0364f57e3⟧
└─⟦this⟧ »iontxt«
opløselighed med ionstyrke
begin
real L,s,s1,I,LNL,f,I0;
integer ip,in,LP,LN;
L:=readr(<:opl.produkt:>);
OM:
LP:=readi(<:positiv ions ladning:>);
LN:=readi(<:negativ - -:>);
I0:=readr(<:evt. fremmed ionstyrke:>);
if LN<0 then LN:=-LN;
if LP<=0 or LN=0 then
begin
write1(out,<:illegal ladning:>);
goto OM
end;
if LN mod LP = 0 then
begin
in:=1; ip:=LN//LP;
end
else
if LP mod LN=0 then
begin
ip:=1; in:=LP//LN
end
else
begin
ip:=LN;
in:=LP; ip:=LN;
end;
write1(out,<:sammensætning: P:>,ip,<: N:>,in,"nl",1);
LNL:=ln(L/ip**ip/in**in)/(ip+in);
f:=.509*ln10*(ip*LP*LP+in*LN*LN)/(ip+in);
s:=0;
K:
I:=.5*(LP**2*ip+LN**2*in)*s+I0;
s1:=exp(LNL+f*sqrt(I)/(1+sqrt(I)));
if abs(s-s1)>.001*s then
begin
s:=s1;
goto K
end;
write1(out,<:opløselighed:>,s,<: mol/l:>)
end
▶EOF◀