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首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>187S辛烷CH3(CH2)6CH3氣體檢測管187S Octane 100-2800ppm

辛烷CH3(CH2)6CH3氣體檢測管187S Octane 100-2800ppm

簡要描述:

辛烷CH3(CH2)6CH3氣體檢測管187S Octane 100-2800ppm,CAS 11-65-9,爆炸上限%(V/V): 6.5 爆炸下限%(V/V): 0.8,主要用途: 用作溶劑及色譜分析標準物質(zhì),也用于有機合成。健康危害: 對人的眼睛、呼吸道粘膜有刺激作用,有麻醉和肺部刺激作用。環(huán)境危害: 對環(huán)境有危害,對水體、土壤和大氣可造成污染,對大氣可造成嚴重污染。

更新時間:2025-01-15

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辛烷CH3(CH2)6CH3氣體檢測管187S Octane 100-2800ppm

辛烷CH3(CH2)6CH3氣體檢測管187S Octane 100-2800ppm

Tube 87S

1. PERFORMANCE
1) Measuring range :50-1,400 ppm(as n-Hexane)
Number of pump strokes 1(100ml)
2 pump strokes(200ml)are required for Kerosine and Mineral tupentine
determination.
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :5 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(refer to "Table 2. Temperature CorrectionTable")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Orange→Yellowish green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%(Controlled on n-Hexane)
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3(CH2)4CH3+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1400
1200
1000
800
600
400
200
100
50
ppm
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187S GENERAL HYDROCARBONS
Substance Interference Coexistence
The bottom of the discoloured
Aromatic hydrocarbons layer is changed to Black and
higher readings are given.
It has no influence on readings even if Alcohols, Esters or Ketones each co-exists up to 6%.
(NOTE)
1)Determine the concentration of objective gas by multiplication with the figure shown in Table 1 after
temperature correction.
Example)For measuring Heptane at 10℃ of temperature
Reading concentration :600 ppm
Concentration on temperature correction :660 ppm
Concentration of Heptane :990 ppm
Table.2 Temperature Correction Table (20℃standard)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
1400 1630 1530 1400 1270 1180
1200 1400 1320 1200 1090 1010
1000 1170 1100 1000 910 840
800 930 870 800 720 670
600 700 660 600 550 500
400 460 430 400 360 330
200 220 210 200 180 170
100 100 100 100 100 100
Unit:ppm
Name of Gas Figure Name of Gas Figure
Isobutane 0.8 Heptane 1.5
Pentane 0.8 Octane 2.0
n-Hexane 1.0 Cyclohexane 1.0

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