您好, 歡迎來到化工儀器網(wǎng)! 登錄| 免費(fèi)注冊| 產(chǎn)品展廳| 收藏商鋪|
當(dāng)前位置:上海境宣實(shí)業(yè)有限公司>>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%
參 考 價(jià) | 面議 |
產(chǎn)品型號(hào)122SA
品 牌
廠商性質(zhì)代理商
所 在 地上海市
更新時(shí)間:2025-01-15 20:19:17瀏覽次數(shù):1096次
聯(lián)系我時(shí),請(qǐng)告知來自 化工儀器網(wǎng)室內(nèi)空氣甲醛檢測管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
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
請(qǐng)輸入賬號(hào)
請(qǐng)輸入密碼
請(qǐng)輸驗(yàn)證碼
以上信息由企業(yè)自行提供,信息內(nèi)容的真實(shí)性、準(zhǔn)確性和合法性由相關(guān)企業(yè)負(fù)責(zé),化工儀器網(wǎng)對(duì)此不承擔(dān)任何保證責(zé)任。
溫馨提示:為規(guī)避購買風(fēng)險(xiǎn),建議您在購買產(chǎn)品前務(wù)必確認(rèn)供應(yīng)商資質(zhì)及產(chǎn)品質(zhì)量。