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供应硝酸检测管15L HNO3 Nitric acid

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更新时间2014/9/29 9:11:19

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产品介绍

硝酸检测管15L HNO3 Nitric acid 的详细介绍
硝酸检测管15L HNO3 Nitric acid Nitric acid No.15L HNO3
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 Variation 15% (for 1 to 5 ppm), 10% (for 5 to 20 ppm)
Shelf Life 3 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