Gastec 184 Quick-measuring Detector tubes N,N-Dimethyl acetamide CH3CON(CH3)2 (1.5~240ppm)

Name: Gastec 184 Quick-measuring Detector tubes N,N-Dimethyl acetamide CH3CON(CH3)2 (1.5~240ppm)
Brand: Gastec

ຜູ້ຜະລິດGastec(ເບິ່ງສິນຄ້າອື່ນໆຂອງຍີ່ຫໍ້ນີ້)

Model184

ຕິດຕໍ່

ຈຳນວນ

ການຊຳລະເງິນທີ່ປອດໄພ

ການຮັບປະກັນຄຸນນະພາບ

ປ່ຽນ ແລະ ສົ່ງຄືນງ່າຍ

ມີບໍລິການຈັດສົ່ງ

Indicator: 5 to 60 ppm
Measuring Range:
+ 1.5 to 5 ppm, Number of Pump Strokes 4
+ 5 to 60 ppm, Number of Pump Strokes 2
+ 60 to 240 ppm, Number of Pump Strokes 1
Sampling Time: 1.5 minute per pump stroke
Colour Change: Pink → Pale yellow
Reaction Principle:
+ CH3CON(CH3)2 + NaOH → R-NH2
+ 2R-NH2 + H2SO4 → (R-NH2)2SO4
Coefficient of Variation: 15% (for 5 to 20 ppm), 10% (for 20 to 60 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Catalog

Manual

Performance

Measuring Range

1.5 to 5 ppm

5 to 60 ppm

60 to 240 ppm

Number of Pump Strokes

Correction Factor

0.3

Sampling Time

1.5 minutes per pump stroke

Detecting Limit

0.5 ppm (n=4)

Colour Change

Pink → Pale yellow

Reaction Principle

CH3CON(CH3)2 + NaOH → R-NH2
2R-NH2 + H2SO4 → (R-NH2)2SO4

Coefficient of Variation

15% (for 5 to 20 ppm), 10% (for 20 to 60 ppm)

Shelf Life

3 Years

Corrections for temperature & humidity

Temperature correction is necessary

Store the tubes at cool and dark place.

Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change colour by itself to

Amines	+	Pale yellow
Ammomia	+	Pale yellow
Hydrazine	+	Pale yellow

Calibration gas generation

Diffusion tube method

TLV-TWA	TLV-STEL	Explosive range
10 ppm(2014)	-	-

ຕິດຕາມຂ່າວສານ ແລະ ຂໍ້ສະເໜີ

ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.

ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.

ການຊ່ວຍເຫຼືໍາດ່ວນ

ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ