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  • 产品名称:硝酸检测管15L HNO3 Nitric acid

  • 产品型号:15L
  • 产品厂商:日本GASTEC
  • 产品文档:
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简单介绍:
硝酸检测管15L HNO3 Nitric acid,Measuring Range 0.1 to 1 ppm 1 to 20 ppm 20 to 40 ppm Number of Pump Strokes 2 to 10 1 1/2 Correction Factor 1/2 to 1/10 1 2 Sampling Time 45 seconds per pump硝酸检测管价格
详情介绍:

 

硝酸检测管15L HNO3 Nitric acid Nitric acid                 No.15L

HNO3

硝酸检测管15L HNO3 Nitric acid

Performance
 

Measuring Range

0.1 to 1 ppm

1 to 20 ppm

20 to 40 ppm

Number of Pump Strokes

2 to 10

1

1/2

Correction Factor

1/2 to 1/10

1

2

Sampling Time

45 seconds per pump stroke

Detecting Limit

0.05 ppm (n=10)

Color Change

Yellow →Reddish purple

Reaction Principle

HNO3 + Indicator → Chemical reaction product

Coefficient of Variation15% (for 1 to 5 ppm), 10% (for 5 to 20 ppm)
Shelf Life3 Years
Corrections for
temperature & humidity
Humidity correction is necessary
Store the tubes at cool and dark place.
 

Possible coexisting substances and their interferences(NOTE)


Substance

Concentration

Interference

Change color by itself

Hydrogen chloride

1/10 time

Plus error

Produces reddish purple stain

Chlorine

-

No effect

Bleach the discoloration

Carbon monoxide

-

No effect

No discoloration

Nitrogen dioxide

-

No effect

No discoloration

Organic solvents

-

No effect

No discoloration



Other substance measurable with this detector tube


Substance

Correction

Pump Strokes

Measuring Range

Hydrogen bromide

0.8

1

0.8 to 16 ppm

Trichloroacetic acid

by scale

1

1 to 37.5 ppm



Calibration gas generationHigh pressure gas cylinder method



TLV-TWATLV-STELExplosive range
2ppm4ppm-
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