亚洲综合av一区二区三区,亚洲天天做日日做天天爽,我和小表妺在车上的乱h,无码精品a∨在线观看中文

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>166S1,2-二溴化乙烯BrCH2CH2Br氣體檢測管166S ETHYLENE DIBROMIDE

1,2-二溴化乙烯BrCH2CH2Br氣體檢測管166S ETHYLENE DIBROMIDE

簡要描述:

1,2-二溴化乙烯BrCH2CH2Br氣體檢測管166S ETHYLENE DIBROMIDE 1-50ppm 二溴乙烷檢測管Ethylene dibromide 1-50ppm,檢測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氣體時會發(fā)生特定的反應(yīng),而且這種檢測試劑具有相當(dāng)?shù)姆€(wěn)定性。

更新時間:2024-11-27

在線留言
1,2-二溴化乙烯BrCH2CH2Br氣體檢測管166S ETHYLENE DIBROMIDE

1,2-二溴化乙烯BrCH2CH2Br氣體檢測管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+I2O4+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

真人做人试看60分钟免费视频| 51国产偷自视频区视频| 国产边打电话边被躁视频| 京东app下载安装官网免费下载| 欧美熟妇浓毛大bbw| 亚洲中文字幕久久精品无码喷水| 中文字幕精品一区二区精品| 四川丰满少妇被弄到高潮| 国产欧美一区二区精品久久久| 少妇高潮抽搐无码久久av| 国产丰满老熟妇乱xxx1区| 班长用她的玉足白丝帮我爽| 国产美女在线精品免费观看网址| 熟妇的奶头又大又粗| 99e久热只有精品8在线直播| 欧美av蜜桃一区二区蜜桃| 欧美无人区码suv| 老熟妇仑乱视频一区二区| 婷婷五月色丁香综缴情| 国产综合在线观看| 亚洲av无码一区二区乱子伦as| 青青草視頻國產av劇情超爽系列| 无码任你躁久久久久久老妇| 丰满少妇a级毛片| 小丹乖让我再进去一次| 国产精品久久久久久无码专区| 从圣女到贱奴1一30章txt| 办公室玩弄娇喘秘书在线观看| 欧美xxxxxoo大尺度| 女学生被躁到高潮免费视频| 免费高清理伦片a片在线观看| 亚洲国产成人精品无码区花野真一| 97人人爽人人爽人人人片av| 69精品丰满人妻无码视频a片| 精品无码人妻一区二区三区| 无遮挡很黄很黄的视频| 99久久久国产精品免费蜜臀| 欧美精品无码喷液av高潮| 亚洲日本va中文字幕无码| 蜜臀av人妻久久无码精品麻豆| 国产熟妇另类久久久久|