0·9490 | 35·18 | 42 | 61·50 0·9473 | 36·09 | 43 | 60·58 0·9456 | 37·00 | 44 | 59·54 0·9439 | 37·90 | 45 | 58·61 0·9421 | 38·82 | 46 | 57·64 0·9403 | 39·74 | 47 | 56·66 0·9385 | 40·66 | 48 | 55·68 0·9366 | 41·59 | 49 | 54·70 0·9348 | 42·53 | 50 | 53·72 0·9328 | 43·47 | 51 | 52·73 0·9308 | 44·41 | 52 | 51·74 0·9288 | 45·37 | 53 | 50·74 0·9267 | 46·33 | 54 | 49·74 0·9247 | 47·29 | 55 | 48·74 0·9226 | 48·26 | 56 | 47·73 0·9205 | 49·24 | 57 | 46·73 0·9183 | 50·21 | 58 | 45·72 0·9161 | 51·20 | 59 | 44·70 0·9139 | 52·20 | 60 | 43·68 0·9117 | 53·19 | 61 | 42·67 0·9095 | 54·20 | 62 | 41·65 0·9072 | 55·21 | 63 | 40·63 0·9049 | 56·23 | 64 | 39·60 0·9026 | 57·25 | 65 | 38·58 0·9002 | 58·29 | 66 | 37·54 0·8978 | 59·33 | 67 | 36·51 0·8954 | 60·38 | 68 | 35·47 0·8930 | 61·43 | 69 | 34·44 0·8905 | 62·50 | 70 | 33·39 0·8880 | 63·58 | 71 | 32·35 0·8855 | 64·64 | 72 | 31·30 0·8830 | 65·72 | 73 | 30·26 0·8804 | 66·82 | 74 | 29·20 0·8778 | 67·93 | 75 | 28·15 0·8752 | 69·04 | 76 | 27·09 0·8725 | 70·16 | 77 | 26·03 0·8698 | 71·30 | 78 | 24·96 0·8671 | 72·43 | 79 | 23·90 0·8644 | 73·59 | 80 | 22·83 0·8616 | 74·75 | 81 | 21·76 0·8588 | 75·91 | 82 | 20·68 0·8559 | 77·09 | 83 | 19·61 0·8530 | 78·29 | 84 | 18·52 0·8500 | 79·51 | 85 | 17·42 0·8470 | 80·72 | 86 | 16·32 0·8440 | 81·96 | 87 | 15·23 0·8409 | 83·22 | 88 | 14·12 0·8377 | 84·47 | 89 | 13·01 0·8344 | 85·74 | 90 | 11·88 0·8311 | 87·04 | 91 | 10·76 0·8277 | 88·37 | 92 | 9·62 0·8242 | 89·72 | 93 | 8·48 0·8206 | 91·08 | 94 | 7·32 0·8169 | 92·45 | 95 | 6·16 0·8130 | 93·89 | 96 | 4·97 0·8089 | 95·35 | 97 | 3·77 0·8046 | 96·83 | 98 | 2·54 0·8000 | 98·38 | 99 | 1·28 0·7951 | 100·00 | 100 | 0·00 ---------+---------+------+-------- (_b_) _Solid residue._--This is determined by evaporating 100 c.c. of the liquor in a tared platinum dish, until constant weight is obtained. (_c_) _Ash._--The proportion of ash is found by the incineration of the solid residue. If the presence of poisonous metallic adulterants (such as copper or lead) is suspected, a further examination of the ash is necessary. (_d_) _Acids._--The acidity of distilled liquors is generally due to minute quantities of acetic acid, and can be estimated by means of 1/10th normal soda solution. Any mineral acid (_e.g._, sulphuric acid) supposed to be present is to be sought for in the residue remaining, after the distillation process employed in the determination of alcohol.