Saga Crossword January 2013

[cloudpirate]

Two loves recalled in this European city (4)...I have -I-Z...i am assuming that the answer is Linz,but why?

18Down.Adaptation?Maladaptation? No diploma needed for finding orange (6)
Have -n---a,again,the only answer that i can think of is anatta,but again why?

9 across.Spectroscopic device-be well suited when good packaging is in place.(6)
I have E-a-o-. again i assume Etalon,but why?

23 across. Greek philosopher-one cross,upset with another?Not so! (10)
Have -e-o-r---s.Democritus? but why?
Any and all help greatly appreciated...thank you in advance,i shall probably be kicking myself in the posterior when you brainy people post the answers!

[slaney]

18d Two loves recalled Z(ero) and NIL

[Captain2]

18d Anatta (anagram of 'maladaptation' but without 'diploma') Colour of Buddism is Orange?

[Calibax]

9a (g)et alon(g)

[bert_h]

23a 'one cross' upset = X-ENO, another philosopher = SOCRATES, not 'so' = CRATES, so: XENOCRATES.

[cloudpirate]

Thanks you guys and gals,now kicking myself up and down the stairs.