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α-蒎烯C10H16气体检测管158S α-PINENE 20-300ppm

简要描述:

α-蒎烯C10H16气体检测管158S α-PINENE 20-300ppm,英文名称 α-Pinene ,2,6,6-Trimethyl-bicyclo[3.1.1]-2-heptene,分子量:136.24,CAS号 80-56-8,健康危害:吸入、摄入或以皮肤吸收对身体有害。高浓度对眼睛、皮肤、粘膜和呼吸道有强烈的刺激作用。中毒表现有烧灼感、咳嗽、喘息、喉炎、气短、头痛、恶心和呕吐。可能引起麻醉作用。有时损害肾脏。

更新时间:2017-07-28

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α-蒎烯C10H16气体检测管158S α-PINENE 20-300ppm

α-蒎烯C10H16气体检测管158S α-PINENE 20-300ppm

Tube 58S
1. PERFORMANCE
1) Measuring range :5-300 ppm 2.5-150 ppm
Number of pump strokes 1(100ml) 2(200ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.5 ppm(200ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :White→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:15% RSD-high : 10%
3. CHEMICAL REACTION
A polymer of Styrene is produced by sulphuric acid.
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
300
250
200
150
100
50
20
5
ppm
GAS To pump
158S STYRENE
Substance ppm Interference ppm Coexistence
Acrylonitrile FIG.1 Tafhfeec atecdc.uracy of readings is not 400 Lower readings are given.
Butadiene 3 Similar stain is produced. 5 Uneven discolouration is produced
FIG.2 and higher readings are given.
Formaldehyde 〃15 Yellowish orange stain is produced
FIG.3 and higher readings are given.
Acetaldehyde 〃350 Similar stain is produced and
higher readings are given.
Methyl alcohol The accuracy of readings is not 0.35% Pale discolouration is produced
affected. and higher readings are given.
Ethyl alcohol 〃0.18% 〃
Ethyl acetate 〃700 〃
Butyl acetate 〃700 〃
(NOTE)
In case of 2 pump strokes, following formula is available for actual concentration.
Actual concentration=1/2×Reading value.
0
200
100
Acrylonitrile Butadiene
FIG.1 Influence of Acrylonitrile Styrene indicating value 〔
ppm〕
500 1000 0
200
100
FIG.2 Influence of Butadiene
Styrene indicating value 〔ppm〕
〔ppm〕� 50 100 0
200
100
Formaldehyde
FIG.3 Influence of Formaldehyde
Styrene indicating value 〔ppm〕
〔ppm〕� 100 200〔ppm〕�
Coexistence
Interference
CH:�CH2 CH–CH2
H2SO4+�

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