产品列表PRODUCTS LIST

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>151U乙酸正丙酯气体检知管151U PROPYL ACETATE 20-1000ppm

乙酸正丙酯气体检知管151U PROPYL ACETATE 20-1000ppm

简要描述:

乙酸正丙酯气体检知管151U PROPYL ACETATE 20-1000ppm,(1)对大多存在可燃性易爆气体、有毒气体及窒息性气体,放射性物质的放射性都可定量测量①操作简便:将检测管插在手动气泵上抽(100ml)定量气体即可。 ②分析速度快:一般仅需几十秒至几分钟即可得知结果,其分析速度是任何化学分析和仪器方法不能比拟的。③测量精度高:该方法准确度误差一般有效量程为7%~15%,④适应性好:每种检测管都有1种到几种不等的大小范围的选择。⑤使用安全:使用时手动操作,无需要电源、热源,在有易燃易

更新时间:2017-08-02

发邮件给我们:554328895@qq.com

分享到: 1
在线留言
乙酸正丙酯气体检知管151U PROPYL ACETATE 20-1000ppm

乙酸正丙酯气体检知管151U PROPYL ACETATE 20-1000ppm

Tube No.151U
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

联系人
在线客服
用心服务 成就你我