成人毛片无码一区二区三区,亚洲精品成人无码中文毛片,亚洲国产精品尤物yw在线观看,人妻互换精品一区二区

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>135SA四氯乙烯Cl2C=CCl2氣體檢測管135SA TETRACHLOROETHYLENE 5-300p

四氯乙烯Cl2C=CCl2氣體檢測管135SA TETRACHLOROETHYLENE 5-300p

簡要描述:

四氯乙烯Cl2C=CCl2氣體檢測管135SA TETRACHLOROETHYLENE 5-300ppm,中文名稱2: 全氯乙烯,英文名稱2: perchloroethylene,健康危害: 本品有刺激和麻醉作用。吸入急性中毒者有上呼吸道刺激癥狀、流淚、流涎。隨之出現(xiàn)頭暈、頭痛、惡心、運動失調及酒醉樣癥狀??诜蟪霈F(xiàn)頭暈、頭痛、倦睡、惡心、嘔吐、腹痛、視力模糊、四肢麻木,甚至出現(xiàn)興奮不安、抽搐乃至昏迷,可致死。慢性影響:有乏力、眩暈、惡心、酩酊感等??捎懈螕p害。皮膚反復接觸,可致皮炎和濕疹。

更新時間:2025-01-16

在線留言
四氯乙烯Cl2C=CCl2氣體檢測管135SA TETRACHLOROETHYLENE 5-300p

四氯乙烯Cl2C=CCl2氣體檢測管135SA TETRACHLOROETHYLENE 5-300ppm

1. PERFORMANCE
1) Measuring range :10-300 ppm 5-150 ppm
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :2 minutes/1 pump stroke
3) Detectable limit :1 ppm(100ml)
4) Shelf life :2 years(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 :Yellow→Red
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By decomposing with an Oxidizer, Hydrogen chloride is produced and PH indicator is discoloured.
CCI2=CCI2+PbO2+H2SO4→HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
150
100
100
30
20
10
5
ppm
GAS To pump
PRETREAT REAGENT
(Grey)
Tube No.
135SA TETRACHLOROETHYLENE
Substance Interference Coexistence
Vinyl chloride Similar stain is produced. Higher readings are given.
Hydrogen chloride FIG.1 〃〃
1,2-Dichloroethylene FIG.2 〃〃
Trichloroethylene 〃〃
Chlorine Pale red stain is produced.
(NOTE)
In case of 1 /2 or 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Temperature corrected value
0
200
100
Hydrogen chloride〔ppm〕?
FIG.1 Influence of Hydrogen chloride
Tetrachloroethylene
indicating value 〔ppm〕
500 1000
Coexistence
Interference
0
200
100
1,2-Dichloroethylene〔ppm〕?
FIG.2 Influence of 1,2-Dichloroethylene
Tetrachloroethylene
indicating value 〔ppm〕
50 100
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
150 - 172 150 138 134
100 144 116 100 92 88
50 70 56 50 46 44
30 40 36 30 28 26
20 22 21 20 19 18
10 10 10 10 10 10

中文字幕乱码中文| 在线观看中文字幕码2021| 国产乱码精品一区二区三区中文| 乱人伦人妻中文字幕无码| 大胆欧美人体艺术| 日本巜侵犯人妻人伦| 久久午夜羞羞影院免费观看| 亚洲 都市 校园 激情 另类| 小荡货奶真大水多好紧视频| 国产欧美日韩一区二区加勒比| 久久人人97超碰a片精品| 亚洲欧美精品aaaaaa片| 无码AⅤ免费中文字幕久久| 激情亚洲一区国产精品| 国产国拍亚洲精品MV在线观看 | 97成人碰碰久久人人超级碰OO| 无码精品人妻一区二区三区人妻斩 | 国产强伦姧人妻毛片| 野花韩国电影免费观看在线| 成熟yin荡美妞a片视频麻豆| 成 人 A V免费视频在线观看| 欧美成人熟妇激情视频人| 精品国产乱码久久久久久蜜桃网站| 亚洲精品中文字幕无码蜜桃| 亚洲成av人片乱码色午夜| 精品无码AV一区二区三区| 亚洲乱亚洲乱妇22p| 亚洲AV无码成人精品区在线观看 | 一个人免费观看WWW视频二| julia无码人妻中文字幕在线| 亚洲精品一区中文字幕乱码| 亚洲国产精品成人久久| 久久夜色精品国产噜噜亚洲av| 国产精品久久久久av| 国产精品久久久久9999吃药 | 麻豆av福利av久久av| 中文字幕mv在线观看| 久久精品国产清自在天天线| 国产精品嫩草影院| 国产亚洲精品美女久久久久久| 熟妇人妻VA精品中文字幕|