12a ferret out component for micronutrient [5.7] ?r?c?, ??????t
13d girl taking cue so badly with a low ph [10]????a?c?u?
19d habit of upper-class guru [5] ?I?g?
4d park large amount under patch [4] ???t?
8a Sweden to have insufficient spare capacity [5] ???c?
9d who was fifth? [5,7]
?e???,??v???n
thank you all
still stuck though 3d flattering talk fred's friend left in [7[ ?l?r?e?
13d [9p
16d first section, in mouthful consisting of two pieces [9] e???a???u?
22d point to college near aldwych instead [4]