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環(huán)氧丙烷氣體檢測(cè)管163SA PROPYLENE OXIDE 0.05-5.0%,日本檢測(cè)管/檢知管/測(cè)毒管可對(duì)大多存在可燃性易爆氣體、有毒氣體及窒息性氣體、放射性物質(zhì)的放射性都可定量測(cè)量,(1)對(duì)大多存在可燃性易爆氣體、有毒氣體及窒息性氣體,放射性物質(zhì)的放射性都可定量測(cè)量 ①操作簡(jiǎn)便:將檢測(cè)管插在手動(dòng)氣泵上抽(100ml)定量氣體即可。 ②分析速度快:一般僅需幾十秒至幾分鐘即可得知結(jié)果,其分析速度是任何化學(xué)分析和儀器方法不能比擬的。
更新時(shí)間:2024-11-20
在線留言環(huán)氧丙烷氣體檢測(cè)管163SA PROPYLENE OXIDE 0.05-5.0%
Tube 63SA
1. PERFORMANCE
1) Measuring range :1.0-5.0% 0.05-3.0%
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :20 ppm
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 :Orange→Dark brown
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Potassium dichromate is reduced.
CH3CHCH2O+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
3.0
2.5
2.0
1.5
1.0
0.5
0.2
0.05
0.1
%
GAS To pump
DEHUMIDIFIER
(White)
163SA PROPYLENE OXIDE
0
2
3
1
Toluene〔%〕?
FIG.1 Influence of Toluene
Propylene oxide indicating value 〔%〕
0.25 0.5
Interference
0.05
0.1
0.2
0.5
1.0
1.5
2.0
2.5
3.0
5.0
4.0
3.0
2.0
1.0
Conversion scale
(50mR actual value)?
(100mR concentration scale)?
(%)?
0
2
3
1
Ethyl acetate〔%〕?
FIG.2 Influence of Ethyl acetate
Propylene oxide indicating value 〔%〕
1 2 0
2
3
1
Methanol〔%〕?
FIG.3 Influence of Methanol
Propylene oxide indicating value 〔%〕
0.5 1.0
Substance Interference ppm Coexistence
Aromatic hydrocarbons FIG.1 Similar stain is produced. Higher readings are given.
Esters FIG.2 〃〃
Ketones 〃〃
Alcohols FIG.3 〃〃
Halogenated hydrocarbons WBrhoowlen .reagent is changed to 0.5% 〃
(NOTE)
In case of 1 / 2 pump strokes, following conversion scale is available for actual concentration.
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