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

麻豆妓女爽爽一区二区三| 亚洲aaaa级特黄毛片发布| 国产后入清纯学生妹| 新狼窝色av性久久久久久| 好男人好资源影视在线| 嫩草院一区二区乱码| 亚洲av午夜国产精品无码中文字 | 精品成品国色天香卡一卡二卡三| 久久一区二区三区精华液| 亚洲av一区二区无码波多野结衣| 精品国内自产拍在线观看| 欧美日韩在线视频| 少妇人妻好深太紧了a片 | 少妇无码一区二区三区免费| 在线电影你懂的| 国产真实强被迫伦姧女在线观看| 精品国产亚洲第一区二区三区| 久久自己只精产国品| 女厕精品合集ktv偷窥| 亚洲精品蜜桃久久久久久| a片在线免费观看| 免费看污又色又爽又黄又脏小说| 亚洲av无码精品国产成人| 狠狠人妻久久久久久综合蜜桃| 永久免费av网站| 亚洲情a成黄在线观看| 日本理伦片午夜理伦片| 韩国三级丰满少妇高潮| 欧美精品乱码99久久蜜桃| 亚洲VA中文字幕无码久久不卡 | 亚洲av无码乱码国产精品fc2| 父亲动漫在线观看完整版动漫| 亚洲中文无码| 亚洲一区二区三区在线观看网站| 先の欲求不満な人妻在线| 久久人人爽人人爽人人av东京热| 国产av一区二区三区传媒| 国产午夜精品一二区理论影院| 啦啦啦资源视频在线观看8| 亚洲欧美日韩综合一区| 嫂子的职业在线观看|