Table 1.

Composition of five synthetic urine samples.

Sample #1		Sample #2		Sample #3		Sample #4		Sample #5
Compon ents	[X] in µM	Compon ents	[X] in µM	Compon ents	[X] in µM	Compon ents	[X] in µM	Compon ents	[X] in µM
3	164	22	404	1	141	5	440	2	330
5	317	7	674	2	214	6	*	3	257
7	547	8	84	4	1088	7	390	5	669
10	443	9	405	12	286	16	565	8	184
35	266	11	241	15	343	14	287	35	510
11	261	15	121	17	360	24	411	11	375
13	485	20	548	20	582	21	1095	17	411
16	437	28	346	28	436	26	783	18	110
18	61	29	323	31	211	30	503	20	1062
19	138	33	165	36	650			23	416
23	256			37	116			25	157
25	143							27	754
27	507							28	296
29	331							29	380
32	63							30	512
33	225							31	390
34	221							33	203

1) 2-hydroxycinnamic acid; 2) 4,4’-dimethylbenzophenone; 3) 4-androstene-3,17-dione; 4) acetamide; 5) adipic acid; 6) agarose; 7) benzoic acid; 8) biotin; 9) camphor; 10) cis-1,2-cyclohexanediol; 11) citric acid; 12) d-3-phenyllactic acid; 13) d-galactose; 14) DL-4-fluorophenylalanice; 15) d-mannose; 16) d-ribose; 17) d-xylose; 18) erythromycin; 19) fumaric acid monoethyl ester; 20) glycine; 21) imidazole; 22) l-alanine; 23) l-ascorbic acid; 24)l-glutamic acid; 25) lithocholic acid; 26) l-serine; 27) malonic acid; 28) menthol; 29) n-acetyl-l-valine; 30) p-dimethoxybenzene; 31) phenylphosphonic acid; 32) quinine; 33) sucrose; 34) trans-1,2-cyclohexanediol; 35) trans-aconitic acid; 36) trimethylamine-N-oxide; 37) uridine

^*Concentration for agarose could not be computed due to the varying sizes of agarose present in the stock compound