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>113SB2,2,4-*基戊烷(CH3)3CCH2CH(CH3)2氣體檢測管113SB 100-4000

2,2,4-*基戊烷(CH3)3CCH2CH(CH3)2氣體檢測管113SB 100-4000

簡要描述:

2,2,4-*基戊烷(CH3)3CCH2CH(CH3)2氣體檢測管113SB 100-4,000ppm,別名:2-甲基庚烷,異辛烷,*基戊烷,健康危害:吸入或口服對(duì)身體有害。對(duì)皮膚有刺激性。本品蒸氣或霧對(duì)眼睛、粘膜和上呼吸道有刺激作用。急性毒性:LC80g/m3×2小時(shí)(小鼠吸入);小鼠經(jīng)口0.2ml/只,驚厥、呼吸麻痹、心臟停搏、死亡;人吸入1g/m3×5分鐘,粘膜刺激癥狀。

更新時(shí)間:2025-03-11

在線留言
2,2,4-*基戊烷(CH3)3CCH2CH(CH3)2氣體檢測管113SB 100-4000

2,2,4-*基戊烷(CH3)3CCH2CH(CH3)2氣體檢測管113SB 100-4000ppm

Tube 13SB

1. PERFORMANCE
1) Measuring range :50-1,400 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :5 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Orange→Yellowish green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3(CH2)4CH3+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1400
1200
1000
800
600
400
200
100
50
ppm
????
113SB n-HEXANE
Substance Interference Coexistence
Aromatic hydrocarbons FIG.1,2 Black stain is produced. Higher readings are given.
Paraffin (morefi nth haynd Cro3c)arbons Similar stain is produced. 〃
In presence of Alcohols, Ketones or Esters less than 6%, the accuracy of readings is not affected.
0
500
 Benzene〔ppm〕?
FIG.1 Influence of Benzene
n-Hexane indicating value 〔ppm〕
50 100 0
500
 Toluene〔ppm〕?
FIG.2 Influence of Toluene
n-Hexane indicating value 〔ppm〕 100 150 50
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
1,400 1,730 1,530 1,400 1,270 1,180
1,200 1,470 1,320 1,200 1,090 1,010
1,000 1,230 1,100 1,000 910 840
800 980 870 800 720 670
600 740 660 600 550 500
400 470 430 400 360 330
200 220 210 200 180 170
100 100 100 100 100 100

国产精品一卡二卡三卡,| 无码视频一区二区三区 | 欧美老熟妇欲乱高清视频| 日本黄a级a片国产免费| 东北粗口国产床| 精品国产伦一区二区三区在线| 蜜桃久久精品成人无码AV| 男女免费观看做爰视频在线观看| 国产成人亚洲精品无码| 亚洲精品宾馆在线精品酒店| 精品国产综合区久久久久久 | 精品国产乱码一区二区三区 | 人妻无码中文字幕| 国产a片| 一区二区三区在线 | 欧| 国产一区二三区好的精华液| 寂寞人妻瑜伽被教练日| 亚洲成av人影片在线观看| 亚洲国产精品无码专区网站| 人妻体验按摩调情BD| 狠狠色丁香婷婷综合久久97 | 精品人妻无码一区二区三区手机版| 久久精品九九亚洲精品| 亚洲国产精品一区二区久久HS| 精品人妻av区波多野结衣| 精品无码AV一区二区三区不卡| 同性双男a片又黄又刺激小说免费 中文字幕精品亚洲无线码二区 | 日本免费一区二区| 精品毛片乱码1区2区3区| 中文字幕无码毛片免费看| 欧美性videos高清精品| 激情97综合亚洲色婷婷五| 亚洲色偷偷综合亚洲AV伊人| 精品国产AV一区二区三区| 无码国产精品一区二区免费蜜桃| 国产性猛交╳XXX乱大交| 人妻巨大乳挤奶水HD免费看| 中文字幕一精品亚洲无线一区| 99久久久精品免费观看国产| 蜜臀AV在线播放一区二区三区| 久久99热久久99精品|