三氯甲烷/氯仿氣體檢測管
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:2156
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!
三氯甲烷/氯仿氣體檢測管137LA 檢測范圍0.5-30ppm
三氯甲烷/氯仿氣體檢測管137LA 檢測范圍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〕 |
吸引回數〔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=σ:勢÷平均×100) |
干hガス
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 | -- | -- |