丰满岳乱妇在线观看中字无码,漂亮的保姆5在线观看中文,把我绑在床头上夹奶头视频,免费人做人爱完整版视频

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

亚洲国产精品va在线看黑人| 亚洲一区二区三区日本久久九| 日本肉体xxxx裸交| 国产日韩av在线播放| 精品女同一区二区三区免费站| 人妻少妇久久中文字幕一区二区| 国产精品爽黄69天堂a| 欧美性69式xxxx护士| 少妇被又大又粗又爽毛片欧美| 国语自产一区怡和院| 无码人妻AV一二区二区三区| 无人在线直播免费观看| 爆乳邻居肉欲中文字幕| 久久久久无码中| 性高朝久久久久久久3小时| 日本无人区码卡二卡三卡| 肉乳床欢无码A片动漫AV| 中文字幕人成人乱码亚洲影| 末成年女a片一区二区| 亚洲午夜无码久久久久| 日本天狼无码久久久久影院| 69SEX久久精品国产麻豆| 久久亚洲av永久无码精品 | 最美情侣在线播放观看视频免费| 亚洲午夜av久久久精品影院| 无码任你躁久久久久久| 国产精品99久久久久久人| 欧美成人在线视频| 国产肉体xxxx裸体784大胆| 人妻丰满熟妇av无码区不卡色欲| 啊灬啊灬啊灬快灬高潮了视频网站| 野花韩国电影免费观看在线| 2017年亚洲天天爽天天噜| 亚洲欧洲精品a片久久99| 国偷自产一区二区免费视频| 精品久久亚洲中文无码色欲av| 亚洲第一无码XXXXXX| 天堂在线观看www| 国产av无码亚洲av毛片| 精品无码一区二区三区蜜桃| 亚洲 中文字幕 日韩 无码|