四羰基鎳Ni（CO）4氣體檢測管129 NICKEL CARBONYL 20-700ppm 返回列表頁

四羰基鎳Ni（CO）4氣體檢測管129 NICKEL CARBONYL 20-700ppm

Tube 29

1. PERFORMANCE
1） Measuring range ：20-700 ppm
Number of pump strokes 1（100ml）
2） Sampling time ：3 minutes/1 pump stroke
3） Detectable limit ：10 ppm
4） Shelf life ：6 months
5） Operating temperature ：0～40℃
6） Reading ：Concentration chart method
7） Colour change ：Pale yellow→Dark purple
2. RELATIVE STANDARD DEVIATION
RSD-low：10％　RSD-mid.：10％　RSD-high：5％
3. CHEMICAL REACTION
By reacting with Gold chloride（III）, colloidal gold is liberated.
Ni （CO）4＋AuCI3→Au
4. CALIBRATION OF THE TUBE
STANDARD GAS GYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
129 NICKEL CARBONYL
Substance Interference ppm Coexistence
Arsine Similar stain is produced. 10 Higher readings are given.
Iron carbonyl 〃10 〃
Mercury vapour 〃10 〃
Hydrogen sulphide Brown stain is produced. 10 〃
Sulphur dioxide Pale blue stain is produced. 10 〃
Carbon monoxide 1,000 〃
X
0
100
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500
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700
150
20
50
X
0
100
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700
150
20
50
NICKEL CARBONYL?
?
FOR 1 PUMP STROKE（100mR）?
AIR CONCENTRATION PPM