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

国产欧美一区二区三区| 老熟女五十路乱子交尾中出一区| 国产一二三四区中| 久久久久久久久无码精品亚洲日韩 | 精品无码久久久久国产| 男受被做哭激烈娇喘gv视频| 国产麻豆一精品一av一免费| 免费无码一区二区三区| 在线观看免费播放av片| 日本高清视频在线www色| 免费a级毛片| √最新版天堂资源网在线 | 激情国产一区二区三区四区小说 | 欧美成人精品一区二区免费 | 国产特级毛片a片www| 奶水h人妻销魂共妻高h| 精品国产一区二区三区四区色欲| 少妇高潮喷水久久久久久久久久 | 国产乱人对白a片麻豆| 囯产精品久久久久久久久蜜桃| 亚洲av无码无在线观看红杏| 久久婷婷激情综合色综合俺也去| julia无码中文字幕在线视频| 亚洲精华国产精华精华液好用| 最近中文字幕视频高清| 玖玖热麻豆国产精品视频| 中文字幕aⅴ人妻一区二区| 久久久久免费毛a片免费| 国产精品水嫩水嫩| 精品一区二区三区无码免费视频| 成全视频在线观看免费观看| 亚洲永久精品ww47| 久久综合伊人77777麻豆| 日日噜噜噜噜夜夜爽亚洲精品 | 国产成人精品热玖玖玖| 最新国产精品自在自线发布| 久久精品免费一区二区三区| 豆国产97在线 | 亚洲| 无套内谢的新婚少妇国语播放| 99久免费视频精品| 久久久久亚洲av片无码v|