Paper Test

"MERCK" Chlorine Test Method: colorimetric with test strips 0 - 25 - 50 - 100 - 200 - 500 mg/l Cl₂ MQuant®

0.00 ฿
Antibiotic Assay paper disc dia. 6 mm.

2,800.00 ฿
Filter Paper Grade 304 (Johnson)

450.00 ฿
Glass Microfiber Filter Paper Grade 50C (Johnson)

0.00 ฿
Universal Indicator Strips pH 0 - 14

0.00 ฿
"Hydrion" pH paper วัดกรดด่าง 1.0-14.0 (15ft/roll)

0.00 ฿