Gastec 77 快速叔丁基硫醇和二甲基硫化物测量检测管SH(CH3)3CSH(1~15 mg /立方公尺)

Indicator:  1 ~ 15 mg/m^3
Measuring Range: 1 ~ 15 mg/m^3, Number of Pump Strokes 1
Sampling Time: 20 minute per pump stroke
Colour Change: 
+ TBM tube: Yellow → Pink
+ DMS tube: Pink → Pale yellow
Reaction Principle: 
+ (CH3)3CSH + HgCl2 → (CH3)CSHgCl + HCl, 
+ HCl + Base → Chloride compound, 
+ (CH3)2S + KMnO4 (Pink) → Pale yellow product 
Coefficient of Variation: 10% (for 1 to 5 mg/m^3), 5% (for 5 to 15 mg/m^3)
Nr. of tests: 5
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance (Simultaneous detector tube)
Detector Tube
TBM Tube DMS Tube
Measuring Range
1 to 15 mg/m3 1 to 15 mg/m3
Number of Pump Strokes
1 1
Correction Factor
1 1
Sampling Time 2 minutes per pump stroke
Detecting Limit 0.2 mg/m3 (n=1)
Colour Change
Yellow → Pink Pink → Pale yellow
Reaction Principle (CH3)3CSH + HgCl2 → (CH3)CSHgCl + HCl
HCl + Base → Chloride compound
(CH3)2S + KMnO4 (Pink) → Pale yellow product
Coefficient of Variation 10% (for 1 to 5 mg/m3), 5% (for 5 to 15 mg/m3)
Shelf Life 2 Years
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)
TBM Tube
Substance Concentration Interference Change colour by itself to
Hydrogen sulphide   + Pink
Mercaptans   + Pink
DMS Tube
Substance Concentration Interference Change colour by itself to
Olefins   + Pale yellow
Tetrahydrothiophene   + Pale yellow
 
 
Calibration gas generation TBM Tube:Diffusion tube method
DMS Tube:Permeation tube method
TLV-TWA TLV-STEL Explosive range
DMS:10ppm(2014) - -
  • 质量承诺
  • 正品保修
  • 送货到家
  • 交易简单化