三氯甲烷/氯仿氣體檢測(cè)管
                
                
                    
                        價(jià)  格:詢價(jià)
                    
                        產(chǎn)  地:更新時(shí)間:2021-01-15 17:45
                    
                    
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                            上海非利加實(shí)業(yè)有限公司 
                        
                    
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                            400-006-7520 
                        
                    
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                            400-006-7520 
                            
                        
                    
                    
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                         三氯甲烷/氯仿氣體檢測(cè)管137LA 檢測(cè)范圍0.5-30ppm
三氯甲烷/氯仿氣體檢測(cè)管137LA 檢測(cè)范圍2-12ppm
Performance
                        | Measuring Range |                                                             | 0.5to2ppm | 2to12ppm | 12to30ppm |  | 
                    | Number of Pump Strokes |  | 
                    | Correction Factor |  | 
                    | Sampling Time | 2 minutes per pump stroke | 
                    | Detecting Limit | 0.2 ppm (n=4) | 
                    | Colour Change | White → Pale purple | 
                    | Reaction Principle | CHCl3 + I2O5 + H2S2O7 → Cl2 Cl2 + (CH3C10H5NH2)2→ Pale purple products
 | 
                    | Coefficient of Variation | 10% (for 2 to 4 ppm), 5% (for 4 to 12 ppm) | 
                    | Shelf Life | 1 Year | 
                    | Corrections for temperature & humidity | Temperature correction is necessary | 
                    | Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below. | 
    
Possible coexisting substances and their interferences
                        | Substance | Concentration | Interference | Change colour by itself to | 
    
                        | Chlorine |  | No | No | 
                    | Bromine |  | No | No | 
                    | Iodine |  | No | No | 
                    | Unsaturated halogenated HCs |  | + | Pale purple | 
                    | Saturated halogenated HCs |  | + | Pale purple | 
    
                        | Calibration gas generation | Diffusion tube method | 
    
                        | TLV-TWA | TLV-STEL | Explosive range | 
                    | 10 ppm | - | - | 
    
 
仕
                        | 目盛歟 | 2~12ppm〔基n=2〕 | 
                    | y定歟 | 0.5〔n=4〕~30ppm〔n=1〕 | 
                    | 吸引回?cái)?shù)〔n〕: | 4,2〔基省,1 | 
                    | 1回(100ml)の吸引rg: | 2分 | 
                    | 手薅齲 | 0.2ppm〔n=4〕 | 
                    | 瀋 | 白色→淡紫色 | 
                    | 溫?濕度a正: | 溫度 | 
                    | 有科諳蓿 | 1年(冷i保存) | 
                    | 指示精度: | CV=5~10% (CV:S數(shù)=σ:勢(shì)÷平均×100)
 | 
    
干hガス
                        | ガス名 | 共存の齪悉舛趣冉Y(jié)果 | g獨(dú)の齪 | 
    
                        | c素 |  | 影しない | 瀋筏勝 | 
                    | 臭素 |  | 影しない | 瀋筏勝 | 
                    | ヨウ素 |  | 影しない | 瀋筏勝 | 
                    | 不和ハロゲン化炭化水素 |  | +`差 | 淡紫色に瀋 | 
                    | 和ハロゲン化炭化水素 |  | +`差 | 淡紫色に瀋 | 
    
                        | S容舛 | 管理舛 | TWA | STEL | 爆k | 
                    | 3ppm | 3ppm | 10ppm | -- | -- |