精品国产天线2019,色综合久久无码五十路人妻,亚洲熟悉妇女XXX妇女AV,亚洲H在线播放在线观看H

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>158SB苯乙烯C6H5CH=CH2氣體檢知管158SB STYRENE 1-100ppm

苯乙烯C6H5CH=CH2氣體檢知管158SB STYRENE 1-100ppm

簡要描述:

苯乙烯C6H5CH=CH2氣體檢知管158SB STYRENE 1-100ppm,快速水質(zhì)檢測管可對水中的有害物質(zhì)濃度含量進行精確定量測量,可檢測:硫化物、硫離子、臭氧、氯離子、殘留氯、水銀、鉻離子、鐵離子、銅離子、鋅離子、鎳離子等。www.r-biopharm.net.cn

更新時間:2025-03-11

在線留言
苯乙烯C6H5CH=CH2氣體檢知管158SB STYRENE 1-100ppm

苯乙烯C6H5CH=CH2氣體檢知管158SB STYRENE 1-100ppm

Tube 58SB
1. PERFORMANCE
1) Measuring range :2-100 ppm 1-50 ppm
Number of pump strokes 2(200mL) 4(400mL)
2) Sampling time :1 minute / 1 pump stroke
3) Detectable limit :0.2 ppm(400mL)
4) Shelf life :3 years
5) Operating temperature :0~40℃
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :White→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low : 5 % RSD-mid.: 5 % RSD-high : %
3. CHEMICAL REACTION
A polymer of Styrene is produced by fume sulphuric acid.
4. CALIBRATION OF THE TUBE
DIFFUSION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
158SB STYRENE
Substance ppm Interference Coexistence
Acrylonitrile The accuracy of readings is
not affected.
Lower readings are given.
Butadiene 5
Formaldehyde
Pale orange stain is produced.
Acetaldehyde
Higher readings are given.
Methyl alcohol The accuracy of readings is
not affected.
Ethyl alcohol 〃
Ethyl acetate 〃〃
Butyl acetate 〃〃
(NOTE )
In case of 2 pump strokes, following formula is available for actual concentration.
Actual concentration = 1 / 2×Reading value.
C C H – C H 2 C H 2
H 2SO 4
400
15
350
3500
1800
700
700
The accuracy of readings is
not affected.
Orange stain is produced.




GAS To pump
DEHUMIDIFIER TUBE DETECTOR TUBE
(White)
TEMPERATURE CORRECTION COEFFICIENT TABLE
Temperature
0℃
10℃ (50°)
20℃ (68°)
30℃ (86°)
40℃ (104°)
0
0.80
0.90
1.00
1.10
1.20
1
0.81
0.91
1.01
1.11
6
0.86
0.96
1.06
1.16
5
0.85
0.95
1.05
1.15
4
0.84
0.94
1.04
1.14
3
0.83
0.93
1.03
1.13
2
0.82
0.92
1.02
1.12
7
0.87
0.97
1.07
1.17
8
0.88
0.98
1.08
1.18
9
0.89
0.99
1.09
1.19

亚洲熟妇色自偷自拍另类| 国产suv精品一区二区五| 亚洲国产精品久久久久蜜桃网站| 国产乱色精品成人免费视频| 漂亮人妻被中出中文字幕| 日韩加勒比一本无码精品| 美女黄网站成人免费视频| 国产suv精品一区二区88 | 美妙人妻系列100部| 婷婷综合久久中文字幕| 《与上司出轨的人妻》| 国产情侣一区二区| 99久久人妻无码精品系列蜜桃| 在线观看免费a∨网站| 国产午夜精品一区二区三区| 欧美国产日韩a在线视频| 无码人妻丰满熟妇啪啪网站牛牛| 亚洲熟妇色自偷自拍另类 | 亚洲日韩av在线观看| 国产综合无码一区二区辣椒| 久久久婷婷综合五月色麻豆| 男人一边吻奶边挵进去免费软件| 嫩草院一区二区乱码| 亚洲国产精品特色大片观看完整版 | 人妻熟妇乱又伦精品视频| 人妻少妇一区二区三区| 午夜精品久久久久久久无码 | 国产精品丝袜久久久久久不卡| 人妻体验按摩调情BD| 久久免费看少妇高潮a片特无毒 | 亚洲精品色情app在线下载观看 | 美女张开腿黄网站免费| 人妻丰满熟妇aⅴ无码| 野花免费高清完整在线观看| 黄页网址大全免费| 国产成人久久精品77777综合 | 免费无码又爽又刺激| 好男人好资源在线观看免费视频| 日韩高清无码| 欧美日韩国产| 亚洲乱码中文字幕久久孕妇黑人|