氨檢測管105SA AMMONIA NH3 0.5-10%
Tube No.105SA 1. PERFORMANCE1) Measuring range :0.5-10%Number of pump strokes 1(100mr)2) Sampling time :1.5 minutes/1 pump stroke3) Detectable limit :400 ppm4) Shelf life :3 years5) Operating temperature :0~40℃6) Reading :Direct reading from the scale calibrated by 1 pump stroke7) Colour change :Pink→Gray or Yellow2. RELATIVE STANDARD DEVIATIONRSD-low:5% RSD-mid.:5% RSD-high:5%3. CHEMICAL REACTIONBy reacting with Phosphoric acid, PH indicator is discoloured.3NH3+H3PO4→(NH4)3PO44. CALIBRATION OF THE TUBESTANDARD GAS CYLINDER METHOD5. INTERFERENCE AND CROSS SENSITIVITY0.512345678910%GAS To pump105SA AMMONIASubstance Interference CoexistenceAmines Similar stain is produced. Higher readings are given.www.r-biopharm.com.cn
檢測范圍 | 0.05-1.6% | 1.6 -3.52% | |||
抽氣次數(shù) | 1 | 1/2 | |||
修正系數(shù) | 1 | 2.2 | |||
取樣時間 | 1 分鐘/次 | ||||
檢測限度 | 0.01% (n=1) | ||||
顏色變化 | 粉色 → 黃色 | ||||
反應(yīng)原理 | 2NH3 + H2SO4 → (NH4)2SO4 | ||||
誤差 | 10% (0.05-0.4 %), 5% ( 0.4 -1.6 ppm) | ||||
保存期 | 3 年 | ||||
溫度濕度修正 | 不需修正 | ||||
陰涼干燥處保存 | |||||
干擾及影響 | |||||
物質(zhì) | 濃度 | 影響 | 本身變化 | ||
肼 | + | 黃色 | |||
嘧啶 | + | 黃色 | |||
胺類(不包括芳香族胺類) | + | 黃色 |