Gastec CH3CHO 92L ທໍ່ເຄື່ອງກວດຈັບໄວວັດແທກ Acetaldehyde CH3CHO (1~20ppm)

Name: Gastec CH3CHO 92L ທໍ່ເຄື່ອງກວດຈັບໄວວັດແທກ Acetaldehyde CH3CHO (1~20ppm)
Brand: Gastec

ຜູ້ຜະລິດGastec(ເບິ່ງສິນຄ້າອື່ນໆຂອງຍີ່ຫໍ້ນີ້)

ModelCH3CHO 92L

ຕົ້ນກຳເນີດJapan

ຕິດຕໍ່

ຈຳນວນ

ການຊຳລະເງິນທີ່ປອດໄພ

ການຮັບປະກັນຄຸນນະພາບ

ປ່ຽນ ແລະ ສົ່ງຄືນງ່າຍ

ມີບໍລິການຈັດສົ່ງ

Indicator: 1~20ppm
Measuring Range: 1~20ppm
Sampling Time: 2 minutes per pump stroke
Colour Change: Yellow → Brown
Reaction Principle: 3CH3CHO + (NH2OH)3H3PO4 → H3PO4, H3PO4 + Base → Phosphate
Coefficient of Variation: 10% (for 1 to 6 ppm), 5% (for 6 to 20 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Catalog

Manual tube

Manual

Performance

Measuring Range

1 to 20 ppm

Number of Pump Strokes

Correction Factor

Sampling Time

2 minutes per pump stroke

Detecting Limit

0.2 ppm (n=1)

Colour Change

Yellow → Brown

Reaction Principle

3CH3CHO + (NH2OH)3H3PO4 → H3PO4
H3PO4 + Base → Phosphate

Coefficient of Variation

10% (for 1 to 6 ppm), 5% (for 6 to 20 ppm)

Shelf Life

2 Years

Corrections for temperature & humidity

Temperature correction is necessary

Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change colour by itself to

Ammonia	30 ppm	No	No
Acetic acid	2 times	+	Brown
Acids		+	Brown
Aldehydes		+	Brown
Ketones		+	Brown

Calibration gas generation

Diffusion tube method

TLV-TWA	TLV-STEL	Explosive range
-	C 25 ppm	4 to 60%

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