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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>122SA日本KITAGAWA北川式甲乙酮CH3COC2H5气体检测管122SA 0.05-5.0%

日本KITAGAWA北川式甲乙酮CH3COC2H5气体检测管122SA 0.05-5.0%

简要描述:

日本KITAGAWA北川式甲乙酮CH3COC2H5气体检测管122SA METHYL ETHYL KETONE 0.05-5.0%,气体检测管使用安全。使用时手动操作,无需要电源、热源,在有易燃易爆气体存在的场所能安全使用。价格低廉、携带方便。该产品虽然是一次性使用,但与其它化学和仪器方法测量的总价格比起来,还是便宜,而且又不需要维护修理,则更显得低廉。检测管体积小,重量轻,便于操作人员在各种环境下使用。

更新时间:2017-07-16

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日本KITAGAWA北川式甲乙酮CH3COC2H5气体检测管122SA 0.05-5.0%

日本KITAGAWA北川式甲乙酮CH3COC2H5气体检测管122SA METHYL ETHYL KETONE 0.05-5.0%

Tube No.122SA
1. PERFORMANCE
1) Measuring range :1.0-5.0% 0.05-2.2%
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :50 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Graduations printed on the tube are calibrated by Ethylene oxide at 1 pump stroke
and Methyl ethyl ketone is determined by using a conversion chart.
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.
CH3COC2H5+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
􀀀􀀀􀀀􀀀􀀀
􀀀􀀀
(White)
DEHUMIDIFIER
GAS To pump
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.1
0.01
%
122SA C METHYL ETHYL KETONE
Substance Interference ppm Coexistence
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Esters FIG.2 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Halogenated hydrocarbons WPahleo leb rsotwainn. is discoloured to 0.5% 〃
(NOTE)
In case 1 / 2 pump stroke, following conversion scale is available for the actual concentration.
0
1.0
1.5
Methanol〔%〕�
FIG.1 Influence of Methanol
Methyl ethyl ketone
indicating value 〔%〕 0.5 1.0
0.5
0
1.0
1.5
Ethyl acetate〔%〕�
FIG.2 Influence of Ethyl acetate
Methyl ethyl ketone
indicating value 〔%〕
0.5 1.0
0.5
0.05
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.1
5.0
4.0
3.0
2.0
1.0
Conversion
scale
(50ml actual value)�
(100mlconcentration scale)� (
%)�
0.01
0.1
0.2
0.4
1.0
1.6
1.8 2.2
2.0
1.0
1.5
0.5
0.1
0.05
Methyl Ethyl Ketone(%)�
No.122SA Tube reading(%)�
(100mR)�
0.6
0.8
1.2
1.4
TEMPERATURE CORRECTION TABLE
Conversion Corrected Concentration (ppm)
Value 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
2.5 - 2.88 2.50 2.34 2.26
2.0 2.70 2.30 2.00 1.84 1.76
1.5 2.36 1.74 1.50 1.35 1.26
1.0 1.52 1.16 1.00 0.88 0.80
0.5 0.70 0.58 0.50 0.42 0.38
0.1 0.14 0.12 0.10 0.08 0.06
0.05 0.07 0.05 0.05 0.03 0.03
0.01 0.01 0.01 0.01 0.01 0.01

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