硫化氢检测管4D H2S Hydrogen sulphide
简单介绍 硫化氢检测管4D H2S Hydrogen sulphide，Measuring Range 0.2 to 200 ppm Sampling Hours 1 to 48 hours Detecting Limit 0.2 ppm (10 hours) Color Change硫化氢检测管价格
硫化氢检测管4D H2S Hydrogen sulphide的详细介绍 硫化氢检测管4D H2S Hydrogen sulphide Hydrogen sulphide No.4D H2S
Measuring Range
0.2 to 200 ppm
Sampling Hours
1 to 48 hours
Detecting Limit
0.2 ppm (10hours)
Color Change
White→ Brown
Reaction Principle
H2S + Pb(CH3COO)2 → PbS +2CH3COOH
10%(for 10 to 200 ppm-hr)
Substance
Concentration
Interference
Change color by itself
Nitrogendioxide
-
No
25 ppm
1 ppm
5 ppm