精品国产天线2019,色综合久久无码五十路人妻,亚洲熟悉妇女XXX妇女AV,亚洲H在线播放在线观看H

產(chǎn)品列表PRODUCTS LIST

首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>113SB庚烷CH3(CH2)5CH3氣體檢測管113SB HEPTANE 100-2000ppm

庚烷CH3(CH2)5CH3氣體檢測管113SB HEPTANE 100-2000ppm

簡要描述:

庚烷CH3(CH2)5CH3氣體檢測管113SB HEPTANE 100-2000ppm,氣體檢測管可成功地用于快速檢測空氣中的有害氣體和煙霧,并且可用于測量工作場所的有害氣體和空氣中的煙霧含量濃度.廣泛應(yīng)用于冶金,石化,制藥,污水處理,造紙,消防等行業(yè)可燃?xì)怏w泄漏檢測.作為日本GASTEC氣體檢測管的一級代理

更新時(shí)間:2025-03-10

在線留言
庚烷CH3(CH2)5CH3氣體檢測管113SB HEPTANE 100-2000ppm

庚烷CH3(CH2)5CH3氣體檢測管113SB HEPTANE 100-2000ppm

Tube 13SB

1. PERFORMANCE
1) Measuring range :100-2000 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :15 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 Hexane at 1 pump stroke and
Heptane concentration is determined by using a conversion chart at 3 pump strokes.
8) Colour change :Orange→Yellowish green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3(CH2)5CH3+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1200
1400
1000
800
600
400
200
100
50
ppm
113SB C HEPTANE
Substance Interference ppm Coexistence
Alcohols Similar stain is produced. 6%
Ketones 〃〃〃
Esters 〃〃〃
Aromatic hydrocarbons The bottom of the discoloured layer
FIG.1,2 〃iisn gssta ainree dg itvoe Bn.lack and higher read-
(Pmaroarfefi nth haynd Cro3c)arbons 〃Higher readings are given.
0
500
 Benzene〔ppm〕?
FIG.1 Influence of Benzene
 Toluene〔ppm〕?
FIG.2 Influence of Toluene
Heptane indicating value 〔ppm〕
50 100 0
500
Heptane indicating value 〔ppm〕
50 100 150
13SB Tube reading (ppm)?
(300ml)?
Heptane concentration(ppm)?
1200
1400
1000
800
600
400
200
100
50 100
300
500
1000
1500
2000
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
2,000 - - 2,000 1,680 1,460
1,600 - 2,000 1,600 1,380 1,200
1,200 2,000 1,160 1,200 1,040 920
800 1,200 940 800 720 660
400 520 460 400 360 320
200 260 230 200 180 160
100 100 100 100 100 100

赵东苏菲花都兵王免费阅读| 狼色精品人妻在线视频网站| 亚洲v无码一区二区三区四区观看| 伊人色综合久久天天伊人| 国产96在线 | 亚洲| 国产精品视频一区二区| 国产又黄又爽又色视频免费软件 | 精品无码中文视频在线观看| 久久久久久久精品无码AV少妇| 四虎影视久久久免费| 初尝人妻少妇中文字幕| 野花日本大全免费视频720| 卡一卡2卡3卡精品网站| 东京无码熟妇人妻av在线网址| 精品人伦一区二区三区蜜桃免费| 久久久久99精品成人片三人毛片 | 成人亚洲性情网站www在线观看| 色婷婷综合久久久久中文一区二区| 国产熟女高潮视频| 欧美xxxx黑人又粗又长精品| 精品无码人妻一区二区三区18| 国产成人精品白浆久久69| 3D动漫精品啪啪一区二区免费 | 可以免费看美女隐私的app| 精品人妻伦九区久久AAA片| 国产自拍在线观看| 亚洲AV无码乱码在线观看,不卡| 国产看黄网站又黄又爽又色| free性丰满hd性欧美| 久久99精品久久久久久野外| 亚洲 欧美 日韩 卡通 另类| 花季传媒免费观看| 97精品一区二区视频在线观看| 国产69精品久久久久人妻刘玥| 97无码精品人妻一区二区| 亚洲AV无码专区国产乱码电影 | 肉色欧美久久久久久久蜜桃| 激情亚洲一区国产精品| 国产一区二区三区在线观看免费| 精品无人区一线二线三线区别| 亚洲AV无码一区二区一二区潮浪|