成人毛片无码一区二区三区,亚洲精品成人无码中文毛片,亚洲国产精品尤物yw在线观看,人妻互换精品一区二区

產(chǎn)品列表PRODUCTS LIST

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

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

簡(jiǎn)要描述:

庚烷CH3(CH2)5CH3氣體檢測(cè)管113SB HEPTANE 100-2000ppm,氣體檢測(cè)管可成功地用于快速檢測(cè)空氣中的有害氣體和煙霧,并且可用于測(cè)量工作場(chǎng)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(cè).作為日本GASTEC氣體檢測(cè)管的一級(jí)代理

更新時(shí)間:2025-01-15

在線(xiàn)留言
庚烷CH3(CH2)5CH3氣體檢測(cè)管113SB HEPTANE 100-2000ppm

庚烷CH3(CH2)5CH3氣體檢測(cè)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

亚洲线精品一区二区三区| 精品人妻无码区在线视频| 亚洲色欲色欲www在线丝| 精品国产一区二区三区2021 | 麻豆乱码国产一区二区三区| 国产免费观看黄a片又黄又硬| 中文字幕av高清片| 国产av激情无码久久| 俄罗斯丰满少妇bbwbbw| 亲嘴揉胸口激烈视频| 中文乱码字慕人妻熟女人妻| 亚洲美女高潮久久久久| 人妻丰满熟妇av无码区hd| 国产成人久久婷婷精品流白浆 | 亚洲偷偷自拍高清| 精品无码av一区二区三区不卡 | 亚洲av电影一区二区三区| 精品国产免费一区二区三区| 久久艳务乳肉豪妇荡乳a片| 精品日本一区二区三区在线观看 | 亚洲一区av无码少妇电影| 97精品一区二区视频在线观看| 国产午夜精品无码| 日韩欧美卡一卡二卡新区| 东京热av人妻无码a片| 国产chinese白嫩小受gv| 香港三日本三级少妇三级视频| 国产sm调教视频在线观看| 四虎影视久久久免费| 国产AV无码专区亚洲AV毛网站| 偷拍 凸隐 视频 播放| 国产av电影区二区三区曰曰骚网 | 人妻精油按摩bd高清中文字幕| 无码视频一区二区三区在线观看| 中文资源在线官网| 97久久超碰国产精品2021| 成熟丰满熟妇高潮xxxxx视频| 一二三四免费观看在线视频中文版 | 日本无遮挡边做边爱边摸| 国产日产亚洲系列最新| 成年女人黄小视频|