Gastec 7L Quick-measuring Detector tubes Phosphine PH3 (0.15~5ppm)

Name: Gastec 7L Quick-measuring Detector tubes Phosphine PH3 (0.15~5ppm)
Brand: Gastec

ຜູ້ຜະລິດGastec(ເບິ່ງສິນຄ້າອື່ນໆຂອງຍີ່ຫໍ້ນີ້)

Model7L

ຕິດຕໍ່

ຈຳນວນ

ການຊຳລະເງິນທີ່ປອດໄພ

ການຮັບປະກັນຄຸນນະພາບ

ປ່ຽນ ແລະ ສົ່ງຄືນງ່າຍ

ມີບໍລິການຈັດສົ່ງ

Indicator: 0.3 to 5 ppm
Measuring Range:
+ 0.15 to 0.3 ppm, Number of Pump Strokes 10
+0.3 to 5 ppm, Number of Pump Strokes 5
Sampling Time: 1 minute per pump stroke
Colour Change: Pale yellow → Purple
Reaction Principle: PH3 + Gold- compound → Colloidal gold
Coefficient of Variation: 10% (for 0.3 to 1 ppm), 5% (for 1 to 5 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Catalog

Manual

Performance

Measuring Range

0.15 to 0.3 ppm

0.3 to 5 ppm

Number of Pump Strokes

Correction Factor

1/2

Sampling Time

1 minute per pump stroke

Detecting Limit

0.04 ppm (n = 10)

Colour Change

Pale yellow → Purple

Reaction Principle

PH3 + Gold- compound → Colloidal gold

Coefficient of Variation

10% (for 0.3 to 1 ppm), 5% (for 1 to 5 ppm)

Shelf Life

3 Years

Corrections for temperature & humidity

Unnecessary

Store the tubes at cool and dark place.

Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change colour by itself to

Arsine	+	Purple
Germane	+	Purple
Hydrogen selenide	+	Purple
Hydrogen sulphide	+	Purple

Calibration gas generation

High pressure gas cylinder method

TLV-TWA	TLV-STEL	Explosive range
0.3 ppm	1 ppm

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