590-400 Hydrogen Cyanide Passive Sampler Operating Instructions
Hydrogen Cyanide HCN No - gastec.co.jp
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Hydrogen Cyanide HCN No.12M 50 100 200 300 400 600 800 ppm n=1 12M 1 ppm（2 pump strokes） Yellow → Red Temperature 0 to 40 ℃ (32 to 104 ℉) correction not used Relative humidity 0 to 90 % correction not used 10 % （for 50 to 200 ppm） , 5 % （for 200 to 800 ppm） 10 tubes for 10 tests 36 months Detecting limit : Colour change : Operating conditions : Relative standard deviation : Tube quantity and number of tests per box : Shelf life : Performance 17 to 50 ppm 50 to 800 ppm 800 to 2400 ppm 2（200 mL） 1（100 mL） 1/2（50 mL） 1/3 1 3 2 min 1 min 30 sec Measuring range Number of pump strokes Correction factor Sampling time 2HCN ＋ HgCl2 → Hg （CN） 2 ＋ 2HCl HCl ＋ Base → Chloride Reaction principle Possible coexisting substances and their interferences Hydrogen sulphide ≧ 500 ppm ＋ Red Sulphur dioxide ≧ 500 ppm ＋ Substance Concentration Interference Changes colour by itself to Chlorine, hydrogen sulphide（up to 500 ppm） , and nitric acid are trapped in the pretreatment（pale blue and yellow）layers. If the pretreatment reagent is entirely consumed, a higher reading will be given. Permeation tube method Calibration gas generation Scale
Transcript of Hydrogen Cyanide HCN No - gastec.co.jp
Hydrogen Cyanide HCN No.12M
50 100
200
300
400
600
800
ppm
n=1
12M
1 ppm（2 pump strokes）Yellow → RedTemperature 0 to 40 ℃ (32 to 104 ℉) correction not usedRelative humidity 0 to 90 % correction not used10 %（for 50 to 200 ppm）, 5 %（for 200 to 800 ppm）10 tubes for 10 tests36 months
Detecting limit :Colour change :Operating conditions :
Relative standard deviation :Tube quantity and number of tests per box :Shelf life :
Performance
17 to 50 ppm 50 to 800 ppm 800 to 2400 ppm 2（200 mL） 1（100 mL） 1/2（50 mL） 1/3 1 3 2 min 1 min 30 sec
Measuring rangeNumber of pump strokesCorrection factorSampling time
2HCN ＋ HgCl2 → Hg（CN）2 ＋ 2HClHCl ＋ Base → Chloride
Reaction principle
Possible coexisting substances and their interferences
Hydrogen sulphide ≧ 500 ppm ＋ RedSulphur dioxide ≧ 500 ppm ＋
Substance Concentration Interference Changes colour by itself to
Chlorine, hydrogen sulphide（up to 500 ppm）, and nitric acid are trapped in the pretreatment（pale blue and yellow）layers. If the pretreatment reagent is entirely consumed, a higher reading will be given.
Permeation tube methodCalibration gas generation
Scale
