无码欧美xxxxx在线观看裸,麻豆影视在线直播视频,久久夜色精品国产亚洲av动态图,色欲av午夜一区二区三区

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>166S1,2-二溴化乙烯BrCH2CH2Br氣體檢測(cè)管166S ETHYLENE DIBROMIDE

1,2-二溴化乙烯BrCH2CH2Br氣體檢測(cè)管166S ETHYLENE DIBROMIDE

簡(jiǎn)要描述:

1,2-二溴化乙烯BrCH2CH2Br氣體檢測(cè)管166S ETHYLENE DIBROMIDE 1-50ppm 二溴乙烷檢測(cè)管Ethylene dibromide 1-50ppm,檢測(cè)試劑是通過在硅膠或氧化鋁等物質(zhì)表面附著顯色試劑的方法制成的。顯色試劑遇到被檢測(cè)氣體時(shí)會(huì)發(fā)生特定的反應(yīng),而且這種檢測(cè)試劑具有相當(dāng)?shù)姆€(wěn)定性。

更新時(shí)間:2025-01-15

在線留言
1,2-二溴化乙烯BrCH2CH2Br氣體檢測(cè)管166S ETHYLENE DIBROMIDE

1,2-二溴化乙烯BrCH2CH2Br氣體檢測(cè)管166S ETHYLENE DIBROMIDE

Tube 66S
1. PERFORMANCE
1) Measuring range :1-50 ppm
Number of pump strokes :1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :0.2 ppm
4) Shelf life :1 year (Necessary to store in a refrigerated place ; 0~10℃)
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 :White→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Bromine is produced by an Oxidizer. By reacting between this Bromine and o-Toluidine, Orthoquinone is produced
BrCH2CH2Br+I(xiàn)2O4+CrO3+H2SO4→Br2
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
DETECTOR TUBE
(Olive) (White)
(Orange)
PRETREAT TUBE
PRETREAT REAGENT
50
40
30
30
10
5
1
ppm
100ml
166S ETHYLENE DIBROMIDE
Substance Interference ppm Coexistence
Halogens Similar stain is produced. Higher readings are given.
Halogenated hydrocarbons 〃〃
Hexane FIG.1 aTfhfeec atecdc.uracy of readings is not 200 Lower readings are given.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 15℃ 20℃ 25℃ 30℃ 35℃
(ppm) (50°F) (59°F) (68°F) (77°F) (80°F) (95°F)
50 - - 82 50 42 39
40 - 80 58 40 35 33
30 98 56 40 30 27 26
20 50 40 30 20 18 18
10 16 14 12 10 10 10
5 7 7 6 5 5 5
1 1 1 1 1 1 1
0
50
60
70
80
40
30
20
10
Hexane〔ppm〕?
FIG.1 Influence of Hexane
Ethylene Dibromide indicating value 〔ppm〕
100 200 300 400 500 600 700

丁香五月亚洲综合深深爱 | 亚洲av无码一区二区一二区| 国产xxx69麻豆国语对白| 久久久婷婷综合五月色麻豆| 国产精品沙发午睡系列| 国产麻豆成人精品av| 青春草无码精品视频在线观看| 久久久久亚洲av无码专区电影| 欧美野外疯狂做受xxxx高潮| 成人毛片100免费观看| 伊人久久精品无码二区麻豆 | 娇妻被领导粗又大又硬| 欧美性猛交XXXX黑人| 国产成人精品一区二区三区无码| 国产一区二区三区久久精品| 日本三级片在线观看| 精品人妻系列无码人妻免费视频| 国产山东48老熟女嗷嗷叫白浆| 亚洲精品无码久久久久秋霞 | 人妻无码第一区二区三区| 国产成人无码av片在线观看不卡 | 国产成人精品三上悠亚久久| xxxxx性bbbbb欧美| 国产在线拍揄自揄拍无码视频| 亚洲色成人中文字幕网站| А√最新版天堂资源在线官网| 成在人线av无码免费| 亚洲午夜久久久久妓女影院| 欧美做爰又粗又大免费看| 被黑人伦流澡到高潮hnp动漫| 亚洲欧美国产毛片在线| 亚洲娇小与黑人巨大交| 精品丝袜人妻久久久久久| 色婷婷在线精品国自产拍| 久久久久亚洲av片无码下载蜜桃| 在线观看的资源视频| 性欧美videos高清精品| 日本va欧美va精品发布| 少妇人妻精品一区二区三区| 欧美性猛交xxxx富婆| 亚洲成AV人在线观看网站|