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首頁(yè)>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>122SA日本KITAGAWA北川式甲乙酮CH3COC2H5氣體檢測管122SA 0.05-5.0%

日本KITAGAWA北川式甲乙酮CH3COC2H5氣體檢測管122SA 0.05-5.0%

簡(jiǎn)要描述:

日本KITAGAWA北川式甲乙酮CH3COC2H5氣體檢測管122SA METHYL ETHYL KETONE 0.05-5.0%,氣體檢測管使用安全。使用時(shí)手動(dòng)操作,無(wú)需要電源、熱源,在有易燃易爆氣體存在的場(chǎng)所能安全使用。價(jià)格低廉、攜帶方便。該產(chǎn)品雖然是一次性使用,但與其它化學(xué)和儀器方法測量的總價(jià)格比起來(lái),還是便宜,而且又不需要維護修理,則更顯得低廉。檢測管體積小,重量輕,便于操作人員在各種環(huán)境下使用。

更新時(shí)間:2024-07-14

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日本KITAGAWA北川式甲乙酮CH3COC2H5氣體檢測管122SA 0.05-5.0%

日本KITAGAWA北川式甲乙酮CH3COC2H5氣體檢測管122SA METHYL ETHYL KETONE 0.05-5.0%

Tube 22SA
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(%)?
22SA 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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