亚洲色大成网站www永久网站_亚洲一区二区三区影院_久久精品免费观看国产_亚洲精品无码久久久久_日韩中文字幕精品一区

產品列表PRODUCTS LIST

首頁>產品中心>日本光明北川式氣體檢測管>氣體快速檢測管>102SD丙酮氣體檢測管102SD ACETONE 20-200ppm

丙酮氣體檢測管102SD ACETONE 20-200ppm

簡要描述:

丙酮氣體檢測管102SD ACETONE (-) p-Cymene CH3C6H4CH(CH3)2 20-200ppm,環(huán)境監(jiān)測站近日從我公司購入一套惡臭氣體應急檢測箱,用于檢測各種場合大氣中的惡臭氣體和臭氣濃度。這一儀器將替代國標“三點式臭袋法",其檢測效果等同于“三點式臭袋法",而檢測效率將獲明顯提升。

更新時間:2025-04-14

在線留言
丙酮氣體檢測管102SD ACETONE 20-200ppm

丙酮氣體檢測管102SD ACETONE 20-200ppm

Tube 02SD
1. PERFORMANCE
1) Measuring range :125-5,000 ppm 50-2,000 ppm 20-800 ppm
Number of pump strokes 1 / 2(50mL) 1(100mL ) 2(200mL)
2) Sampling time :1.5 minutes / 1 pump stroke
3) Detectable limit :10 ppm(200mL)
4) Shelf life :2 years
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→Dark brown
2. RELATIVE STANDARD DEVIATION
RSD-low :10 % RSD-mid.:5 % RSD-high :5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH 3COCH 3+Cr6++H 2SO 4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
102SD ACETONE
Substance Interference Coexistence
Alcohols Brown stain is produced. Higher readings are given.
Other Ketones 〃〃
Esters 〃〃
Aromatic hydrocarbons 〃〃
Paraffin hydrocarbons
If the top of discoloured
layer is possible to read,
the accuracy of readings is
not affected.

(more than C )
Halogenated hydrocarbons 〃〃
(NOTE)
In case of 1 / 2 or 2 pump strokes, following formula is available for the actual concentration.
1 / 2 stroke:s Actual concentration = 2.5 ×Temperature corrected value
2 stroke:s Actual concentration = 0.4 ×Temperature corrected value
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0 ℃ 10 ℃ 20 ℃ 30 ℃ 40 ℃
(ppm) (32 °F) (50 °F) (68 °F) (86 °F) (104°F)
2,000 3,500 2,800 2,000 1,600 1,300
1,500 2,750 2,000 1,500 1,250 1,000
800 1,300 1,000 800 700 600
600 1,000 800 600 550 450
400 650 500 400 350 300
200 300 200 200 200 200
100 200 100 100 100 100
:
:
50 100 50 50 50 50
1,000 1,670 1,250 1,000 850 700
GAS To pump
DEHUMIDIFIER
(White)
3
www.r-biopharm.com.cn

国产成人久久综合第一区| 成熟丰满熟妇高潮xxxxx视频| 欧美18精品久久久无码午夜福利 | 一本久久知道综合久久| 麻豆tv入口在线看| 成在线人午夜剧场免费无码| 又色又爽又高潮免费视频国产| 亚洲爱婷婷色婷婷五月| 美女扒开奶罩露出奶头视频网站| 亚洲av无码一区东京热蜜芽| 经典国产乱子伦精品视频| 亚洲av成人网站在线观看| 人妻少妇偷人精品一区| 麻豆成人精品国产免费| 色综合久久免费综合网| 中文字幕无码av波多野吉衣| 日日摸夜夜添夜夜添无| 欧美精品人人做人人爱视频| 亚洲国产精品日韩专区| 国产午夜精品一区二区三区四区| 亚洲av熟妇高潮30p| 无码精品黑人一区二区三区| 成人亚洲精品777777| 亚洲国产精品第一区二区| 国产精品亚洲中文字幕| 无码av免费一区二区三区试看| 91亚洲色图在线观看| 精品国产乱码久久久久久鸭王1| av精选在线观看精品| 精品国产午夜理论片不卡 | 久久人人爽人人爽人人av | 精品无码无人网站免费视频| 亚洲国产精品久久久久网站| 精品久久久久久中文字幕| 无码人妻丰满熟妇啪啪区日韩久久 | 久久久噜噜噜久噜久久| 日本二区三区视频免费观看 | 久久精品a亚洲国产v高清不卡| 久久精品日日躁夜夜躁欧美| 久久久精品中文字幕乱码18 | 中文字幕丝袜第1页|