夜夜爽夜夜叫夜夜高潮漏水,13小男生GAY自慰脱裤子,亚洲国产精品美女久久久久AV,中文字幕丰满乱孑伦无码专区

產(chǎn)品列表PRODUCTS LIST

首頁(yè)>產(chǎn)品中心>日本光明北川式氣體檢測(cè)管>氣體快速檢測(cè)管>105SD二丁胺氣體檢測(cè)管105SD DI-N-BUTYL AMINE 2-20ppm

二丁胺氣體檢測(cè)管105SD DI-N-BUTYL AMINE 2-20ppm

簡(jiǎn)要描述:

105SD DI-N-BUTYL AMINE (+) 2-20ppm (C4H9)2NH Di-n-Butyl amine 二正丁胺,二丁基胺,二丁胺,日本GASTEC檢知管,有毒氣體應(yīng)急檢測(cè)箱,氣體檢測(cè)管,水質(zhì)檢測(cè)管,大氣應(yīng)急檢測(cè)箱,德國(guó)R-Biopharm霉菌毒素、激素、抗生素、轉(zhuǎn)基因物質(zhì)、風(fēng)險(xiǎn)物質(zhì)、過(guò)敏原和病原體進(jìn)行檢測(cè),國(guó)產(chǎn)氣體檢測(cè)管,國(guó)產(chǎn)有毒氣體應(yīng)急檢測(cè)箱,日本光明理化學(xué)工業(yè)株式會(huì)社,北川式氣體檢測(cè)管,日本共立理化學(xué)研究所簡(jiǎn)易水質(zhì)分析儀器,德國(guó)TESTO溫度,濕度,風(fēng)速,噪聲,照度

更新時(shí)間:2024-12-18

發(fā)郵件給我們:554328895@qq.com

分享到: 1
在線留言
二丁胺氣體檢測(cè)管105SD DI-N-BUTYL AMINE  2-20ppm

二丁胺氣體檢測(cè)管105SD DI-N-BUTYL AMINE  2-20ppm

Tube 05SD
1. PERFORMANCE
1) Measuring range :1-20 ppm 0.2-1 ppm
Number of pump strokes 1(100ml) 5(500ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.1 ppm(100ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Pale purple→Pale Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Phosphoric acid, PH indicator is discoloured.
2NH3+H3PO4→(NH4)2PO4
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
20
18
16
14
12
10
8
6
4
2 1
100ml
ppm
GAS To pump
DEHUMIDIFIER
(White)
105SD AMMONIA
Substance Interference Coexistence
Amines Similar stain is produced. Higher readings are given.
(NOTE)
When the concentration is below 1 ppm, 2 to 5 pump strokes can be used to detemine the lower concentration.
Following formula is available for actual concentration.
Actual concentration=Reading value× 1
Number of strokes