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Gastec 75L Quick-measuring Detector tubes tert-Butyl mercaptan (CH3)3CSH (0.5-30mg/m3)

  • Manufacturer: Gastec
    Model: 75L
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  • 40.00
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Manufacture: Gastec
Model: 75L
Origin: Japan

Indicator: 1 to 15 mg/m^3
Measuring Range:
+ 0.5 to 1 mg/m^3, Number of Pump Strokes 2
+ 1 to 15 mg/m^3, Number of Pump Strokes 1
+ 15 to 30 mg/m^3, Number of Pump Strokes 1/2
Sampling Time: 1.5 minute per pump stroke
Colour Change: Yellow → Pink
Reaction Principle: (CH3)3CSH +HgCl2 → (CH3)3CSHgCl + HCl
Coefficient of Variation: 10% (for 1 to 4 mg/m^3), 5% (for 4 to 15 mg/m^3)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Manual tube

Performance
Measuring Range
0.5 to 1 mg/m3 1 to 15 mg/m3 15 to 30 mg/m3
Number of Pump Strokes
2 1 1/2
Correction Factor
1/2 1 2
Sampling Time 1.5 minute per pump stroke
Detecting Limit 0.1 mg/m3 (n=2)
Colour Change Yellow → Pink
Reaction Principle (CH3)3CSH +HgCl2 → (CH3)3CSHgCl + HCl
HCl + Basic compounds → Chlorides
Coefficient of Variation 10% (for 1 to 4 mg/m3), 5% (for 4 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)
Substance Concentration Interference Change colour by itself to
Hydrogen sulphide   + Pink
Other mercaptans   + Pink
Dimethyl disulphide   No No
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
2-Mercaptoethanol 0.5 1 0

 

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