供应日本gastec 7LA磷化氢PH3气体检测管 磷化氢检测管7LA Phosphine PH3的详细介绍 磷化氢检测管7LA Phosphine PH3 Phosphine No.7LAPH3Performance Measuring Range 0.05 to 0.1ppm 0.1 to 1.5 ppm 1.5 to 2.5 ppm 2.5 to 9.8 ppm Pump Strokes 10 5 3 1 Correction Factor 1/2 1 1.7 6.5 Sampling Time 1.5 minutes per pumpstroke Detecting Limit 0.02 ppm （n =10） Color Change Yellow → Red Reaction Principle PH3 +3HgCl2 →P（HgCl）3 +3HCl HCl + Base 仺 Chloride Coefficient ofVariation10% （for0.1 to 0.4 ppm）, 5% （for 0.4 to 1.5 ppm）ShelfLife2YearsCorrectionsfor temperature & humidityUnnecessaryStore the tubes at cool and darkplace. Possible coexisting substances and theirinterferences 供应日本gastec 7LA磷化氢PH3气体检测管 |
