氯仿氣體檢測管NO.137LL
價 格:詢價
產 地:更新時間:2021-01-15 17:45
品 牌:型 號:
狀 態:正常點擊量:2421
400-006-7520
聯系我時,請說明是在上海非利加實業有限公司上看到的,謝謝!
聯 系 人:
上海非利加實業有限公司
電 話:
400-006-7520
傳 真:
400-006-7520
配送方式:
上海自提或三方快遞
聯系我時請說在上海非利加實業有限公司上看到的,謝謝!
氯仿氣體檢測管NO.137LL 檢測范圍0.3-4.5ppm
氯仿氣體檢測管NO.137LL 檢測范圍0.3-4.5ppm
Performance
Measuring Range | |
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 + 3.3'-DIMETHYLNAPHTHIDINE reaction product |
Coefficient of Variation | 10% (for 0.3 to 1.5 ppm), 5% (for 1.5 to 4.5 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 (NOTE)
Substance | Concentration | Interference | Change colour by itself to |
Chlorine | ℃6ppm | + | Pale purple |
Bromine | ″4.5ppm | No | No |
Iodine | ″4.5ppm | No | No |
1,1,1-trichloroethane | | + | Pale purple |
trichloroethylene | | + | Pale purple |
Calibration gas generation | Diffusion tube method |
TLV-TWA | TLV-STEL | Explosive range |
10 ppm | - | - |
仕
目盛歟 | 0.3~4.5ppm〔基n=4〕 |
y定歟 | 0.3~4.5ppm〔基n=4〕 |
吸引回數〔n〕: | 4〔基省 |
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=σ:勢÷平均×100) |
干hガス
c素 | 2倍以上 | +`差 | 淡紫色に瀋 |
1,1,1-トリクロロエタン | | +`差 | 淡紫色に瀋 |
トリクロロエチレン | | +`差 | 淡紫色に瀋 |
S容舛 | 管理舛 | TWA | STEL | 爆k |
3ppm | 3ppm | 10ppm | -- | -- |