![]() | Johnson® Nitrite/Nitrate (Water quality) Indicator Pad PP Strip, “Non - Bleed” System Ideal for Water/Environment Control, Eco-Friendly PP Strips : (1) 0~25 ppm Low Level and (2) 0~500 ppm High Level 아질산염 / 질산염 검출용 패드 스트립, 수질관리에 적합, 친환경 PP재질 |  Sales code : DG25CAT00002152
| ฿ 649 | 
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![]() | Johnson® Chlorine (Sanitizer) Indicator Pad PP Strip, “Non - Bleed” System, with Certificate of Conformity 3 items : (1) 0~20 ppm, (2) 0~300 ppm & (3) 0~1000 ppm, 염소이온(소독제) 검출용 패드 PP스트립 | Sales code : DG25CAT00002153
| ฿ 900 |
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![]() | Johnson® Starch & Potassium Iodide Paper, for the Detection of Oxidizing Agents, Color Reaction (White → DeepㆍBlue) 산화제 검출지, 요오드화 칼륨 전분지-White, 용액내에 산화제(염소, 아질산 등)가 존재할시 Deep-Blue(군청색)로 변함 | Sales code : DG25CAT00002154
| ฿ 710 |
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