产品详情
  • 产品名称:乙烷纤维素溶剂醋酸盐C2H5OC2H4OCOCH3 190U

  • 产品型号:190U
  • 产品厂商:日本光明
  • 产品文档:
你添加了1件商品 查看购物车
简单介绍:
乙烷纤维素溶剂醋酸盐C2H5OC2H4OCOCH3 190U 乙烷纤维素溶剂醋酸盐C2H5OC2H4OCOCH3 190U ,乙烷纤维素溶剂醋酸盐C2H5OC2H4OCOCH3 190U 5-150ppm
详情介绍:
乙烷纤维素溶剂醋酸盐C2H5OC2H4OCOCH3 190U
乙烷纤维素溶剂醋酸盐C2H5OC2H4OCOCH3 190U ,乙烷纤维素溶剂醋酸盐C2H5OC2H4OCOCH3 190U 5-150ppm,日本光明理化工业株式会社从1947年开始,在气体分析领域开拓了六十余年 , 形成了驰名于世的 ” 北川 ” 式气体检测管。气体快速分析法 ” 北川 ” 的历史就是日本检测管的历史 。目前是世界上*大的检测管生产厂家,也是日本**家通过美国SEI的认证,欧盟的认证的检测管厂家。公司不仅有ISO9001:2000的认证,还获得了环境管理的ISO14001的认证。北川式手动气体采集器AP-20 备有采气完成指示计 , 可以清楚的判明采气是否完成 . • 有专门截留玻璃的截留槽 , 以防止检测管割尖时玻璃片飞溅 . • 有采气容积为 50 毫升和 100 毫升的两段式制动卡 . • 采气器极为小巧 , 并有便于携带的皮具包 。
1. PERFORMANCE
1) Measuring range
:5-100 ppm
Number of pump strokes 3(300ml)
2) Sampling time :4.5 minutes/3 pump strokes
3) Detectable limit :2 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation:Necessary(See"TEMPERATURE CORRECTION TABLE")
7) Reading :Graduations printed on the tube are calibrated by Ethyl cellosolve at 3 pump strokes
and 1-Butanol concentration is determined by using a conversion chart.
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CH2CH2CH2OH+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
50
20
100
150
200
300
400
500
5
300ml
ppm
GAS To pump
DEHUMIDIFIER
(White)
Tube No.
1-BUTANOL
Substance ppm Interference Coexistence
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Toluene 200 Whole reagent is changed to Pale blue. 〃
Hexane 1,000 The accuracy of readings is not affected. The accuracy of readings is not affected.
Trichloroethylene 1,000 〃〃
Ethyl acetate FIG.2 1,000 〃〃
0
100
50
Ethanol〔ppm〕?
FIG.1 Influence of Ethanol
1-Butanol indicating value 〔ppm〕
50 100
Coexistence
Interference
0
100
50
Ethyl acetate〔ppm〕?
FIG.2 Influence of Ethyl acetate
1-Butanol indicating value 〔ppm〕
500 1000
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
100 - - 100 85 77
80 - - 80 70 63
60 - 80 60 53 50
40 75 50 40 35 33
20 30 23 20 18 16
10 13 11 10 9 8
5 5 5 5 5 5
1-Butanol(ppm)?
No.190U Tube reading(ppm)
 
标题:
内容:
联系人:
联系电话:
Email:
公司名称:
联系地址:
 
 
注:1.可以使用快捷键Alt+S或Ctrl+Enter发送信息!
2.如有必要,请您留下您的详细联系方式!