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首页>产品中心>日本光明北川式气体检测管>气体快速检测管>113SC正己烷CH3(CH2)4CH3气体测毒管113SC n-HEXANE 5-800ppm

正己烷CH3(CH2)4CH3气体测毒管113SC n-HEXANE 5-800ppm

简要描述:

正己烷CH3(CH2)4CH3气体测毒管113SC n-HEXANE 5-800ppm,慢性中毒:长期接触出现头痛、头晕、乏力、胃纳减退;其后四肢远端逐渐发展成感觉异常,麻木,触、痛、震动和位置等感觉减退,尤以下肢为甚,上肢较少受累。进一步发展为下肢无力,肌肉疼痛,肌肉萎缩及运动障碍。神经-肌电图检查示感神经及运动神经传导速度减慢。

更新时间:2017-07-06

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正己烷CH3(CH2)4CH3气体测毒管113SC n-HEXANE 5-800ppm

正己烷CH3(CH2)4CH3气体测毒管113SC n-HEXANE 5-800ppm

Tube No.113SC
1. PERFORMANCE
1) Measuring range :20-800 ppm 5-200 ppm
Number of pump strokes 1(100ml) 3(300ml)
2) Sampling time :6 minutes/3 pump strokes
3) Detectable limit :2 ppm(300ml)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(TEMPERATURE CORRECTION TABLE is provided.)
7) Reading :Direct reading from the scale calibrated by 3 pump strokes
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is deoxidized.
CH3(CH2)4CH3+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
􀀀􀀀
GAS 􀀀􀀀 To pump
200
150
100
50
30
20
10
5
300ml
ppm
113SC n-HEXANE
Substance Interference ppm Coexistence
Methyl alcohol 500 Not affected.
Ethyl acetate 500 〃
Methyl ethyl ketone 500 〃
Toluene Brown stain is produced. Higher readings are given.
(NOTE)
In case of 1 pump stroke, following equation is available for the actual concentration.
Actual concentration=Temperature corrected value×4
TEMPERATURE CORRECTION TABLE
Tube Corrected Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
200 250 225 200 185 170
150 180 165 150 145 135
100 120 110 100 95 85
50 60 55 50 45 40
30 35 30 30 30 25
20 20 20 20 20 20
10 10 10 10 10 10

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