您好, 歡迎來(lái)到化工儀器網(wǎng)! 登錄| 免費(fèi)注冊(cè)| 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(cè)管>>氣體快速檢測(cè)管>> 151U乙酸正丙酯氣體檢知管151U PROPYL ACETATE 20-1000ppm
參 考 價(jià) | 面議 |
產(chǎn)品型號(hào)151U
品 牌
廠商性質(zhì)代理商
所 在 地上海市
更新時(shí)間:2024-11-20 16:05:43瀏覽次數(shù):1181次
聯(lián)系我時(shí),請(qǐng)告知來(lái)自 化工儀器網(wǎng)苯氣體檢測(cè)管118SB BENZENE 5-300ppm
室內(nèi)空氣甲醛檢測(cè)管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測(cè)毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
乙酸正丙酯氣體檢知管151U PROPYL ACETATE 20-1000ppm
Tube 51U
1. PERFORMANCE
1) Measuring range :20-1,000 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life :2 years
5) Operating temperature :10~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Pale yellow→Dark brown
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CO2(CH2)2CH3+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
1000
800
600
400
200
100
50
20
ppm
GAS To pump
151U PROPYL ACETATE
Substance Interference Coexistence
Alcohols Sarime iplaror dsutaciends. or Blue stains Higher readings are given.
Esters 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Paraffin hydrocarbons 〃Whole reagent is changed to
Brown.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 20℃ 30℃ 40℃
(ppm) (50°F) (68°F) (86°F) (104°F)
1,000 - 1,000 480 320
800 - 800 420 280
600 1,450 600 340 240
400 850 400 240 160
200 380 200 120 80
100 200 100 60 40
50 100 50 30 20
20 45 20 10 6
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(gòu)買(mǎi)風(fēng)險(xiǎn),建議您在購(gòu)買(mǎi)產(chǎn)品前務(wù)必確認(rèn)供應(yīng)商資質(zhì)及產(chǎn)品質(zhì)量。