检测认证人脉交流通讯录
- 氟化氢检测管17D HF Hydrogen fluoride，Measuring Range 1 to 100 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.5 ppm (10 hours) Color Change氟化氢气体检测管价格
氟化氢检测管17D HF Hydrogen fluoride的详细介绍
氟化氢检测管17D HF Hydrogen fluoride Hydrogen fluoride No.17D
HF
Performance
Measuring Range
1 to 100 ppm
Sampling Hours
1 to 10 hours
Detecting Limit
0.5 ppm (10hours)
Color Change
Yellow→ Purple
Reaction Principle
HF +Indicator 仺 Purple product
Coefficient ofVariation 15%(for 10 to 20 ppm-hr),10% (for 20 to 100 ppm-hr)
ShelfLife 3 Year
Correctionsfor
temperature & humidity Temperature and Humiditycorrection is necessary
Store the tubes atcool and dark place.
Possible coexisting substances and theirinterferences (NOTE)
Substance
Concentration
Interference
Change color by itself
Chlorine
1/5 time +
Bleaches zero zone
Hydrogen chloride
Nitric acid 1/5 time
+
Purple
Calibration gasgeneration Diffusion tubemethod
TLV-TWA TLV-STEL Explosive range
0.5ppm C 2ppm -
