久久精品国产亚洲AV麻豆蜜芽,风流少妇A片一区二区蜜桃,国产精品久久久久精品三级卜 ,性欧美大战久久久久久久久

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>135SB四氯乙烯Cl2C=CCl2氣體測毒管135SB TETRACHLOROETHYLENE 0.2-10

四氯乙烯Cl2C=CCl2氣體測毒管135SB TETRACHLOROETHYLENE 0.2-10

簡要描述:

四氯乙烯Cl2C=CCl2氣體測毒管135SB TETRACHLOROETHYLENE 0.2-10ppm,苯、甲苯、 二甲苯、氨、TVOC室內(nèi)氣體檢測管主營產(chǎn)品包括甲醛檢測管,苯檢測管,甲苯檢測管,二甲苯檢測管等,適用于居民家庭,監(jiān)理治理公司,裝修裝潢公司,建筑公司,車間廠礦等.

更新時間:2024-11-20

在線留言
四氯乙烯Cl2C=CCl2氣體測毒管135SB TETRACHLOROETHYLENE 0.2-10

四氯乙烯Cl2C=CCl2氣體測毒管135SB TETRACHLOROETHYLENE 0.2-10ppm

1. PERFORMANCE
1) Measuring range :1-10 ppm 0.2-2.0 ppm
Number of pump strokes 1(100ml) 4(400ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :0.1 ppm(400ml)
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 :Pale orange→Blueish purple
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with an Oxidizer, Hydrogen chloride is produced and PH indicator is discoloured.
CI2C=CCI2+PbO2+H2SO4→HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
10
9
8
7
6
5
4
3
2
1
ppm
100ml
GAS To pump
OXIDIZER
(Grey)
Tube No.
135SB TETRACHLOROETHYLENE
Substance Interference ppm Coexistence
Trichloroethylene FIG.1 Similar stain is produced. 2 Higher readings are given.
1,2-Dichloroethylene FIG.2 〃2 〃
Hydrogen chloride 〃2 〃
Vinyl chloride 〃40 〃
0
10
5
Trichloroethylene〔ppm〕?
FIG.1 Influence of Trichloroethylene
Tetrachloroethylene
indicating value 〔ppm〕
5 10
Coexistence
Interference
0
10
5
1,2-Dichloroethylene〔ppm〕?
FIG.2 Influence of 1,2-Dichloroethylene
Tetrachloroethylene
indicating value 〔ppm〕
5 10
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)
10 12.5 11.3 10.0 9.4 8.7
9 11.9 10.5 9.0 8.5 7.9
8 9.4 8.7 8.0 7.5 7.0
7 8.2 7.6 7.0 6.6 6.2
6 7.0 6.5 6.0 5.6 5.2
5 5.8 5.4 5.0 4.8 4.3
4 4.6 4.3 4.0 3.8 3.5
3 3.5 3.3 3.0 2.8 2.6
2 2.3 2.2 2.0 1.9 1.7
1 1.1 1.1 1.0 1.0 0.9
(NOTE)
In case of 4 pump strokes, following formula is available for the actual concentration.
Actual concentration=1/5×Temperature corrected value

胸大喂奶H玩弄爽到失禁N| 久久精品无码一区二区日韩av| 欧美交A欧美精品喷水| 一面亲上边一面一摸下边APP| 中文字幕一区二区人妻性色 | 国产精品VA在线播放我和闺蜜| 色一情一乱一伦一区二区三欧美 | 亚洲综合国产一区二区三区| 伊人久久大香线蕉AV一区二区| 乱VODAFONEWIFI熟妇| 国产我和亲妺作爱视频| 睡着了被偷偷滑进去了| 偷拍真实夫妇作爱视频| 老公的朋友跟我做完就不理我| 全黄H全肉边做边吃奶视频动漫| 日韩99在线 | 中文| 亚洲综合无码无在线观看| 少妇无码一区二区二三区| 国产高潮流白浆啊免费A片动态| 宝贝把奶露出来H| 国产亚洲高清国产拍精品| 边吃奶边狠狠躁日韩A片| 性无码一区二区三区在线观看| 男朋友舌头伸到下面很肿胀| 中文字幕久久久久人妻中出| 4D蒲玉奶水都出来了| 亚洲AV无码国产精品午夜久久| 最近免费中文字幕2018| av无码久久久久久不卡网站| 男生裸睡勃起流出液体| 办公室爆乳女秘在线HD| 97无码免费人妻超级碰碰夜夜| 美女浴室洗澡裸体爆乳无遮挡| 日韓無碼亞洲美女成人片| 国产偷抇久久精品A片蜜臀A| √天堂资源中文WWW| 18无码AV精品一区二区三区| 午夜无码国产A三级视频| 成人性生交大片免费看一 | 污污污污污污www网站免费| 成人动漫在线|