ให้อาสาสมัครประทับนิ้วชี้ลงบนกระดาษ

Participants stamp, '' pointing to a paper among 3 category 3 a, because the experiment was divided into three groups, the first group test by means of iodine. A second group of tests with solution 1, 2-indanedione and the third test by a group of ninhydrin solution and to try to repel the sa. 5 times, so were the fingerprint samples collected will be 15 sheets per person were included, for example, from Mach 10 people can be rathang as all 150 sheets.

Volunteers sat down on paper forefinger Terry Moulton all three types of leaves as three trials were split into three groups, the first playoff test with iodine. The second test solution with 1, 2-indanedione. And the third group test with ninhydrin solution and we have conducted a number of experiments is repeated five times, so for example fingerprints collected a total of 15 plates per person includes samples from 10 volunteers as well as a total of 150 sheets.

Volunteers sat down on paper the index finger terminal 3 type type 3 leaves because the experiment was divided into 3 group. The first group of iodine test method. The second test, with 1 solution2-indanedione. And the third group test solution and apply it ninhydrin experiment, number of times, so 5 fingerprint samples collected a number of 15 sheets per person. Gathered from both 10 volunteer of community people, as all 150 sheet.