中文无码一区二区不卡αv_国内精品久久久久久影院_亚洲一区精品无码色成人_免费观看黄频视_18禁美女黄网站色大片免费看

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>222S*胺(CH3)3N氣體檢測管222S Trimethyl amine 1-20ppm

*胺(CH3)3N氣體檢測管222S Trimethyl amine 1-20ppm

簡要描述:

*胺(CH3)3N氣體檢測管222S Trimethyl amine 1-20ppm,121AHC一定要正確的保存。應(yīng)該在10度以下冷藏保存,避免陽光照射和冷凍。一定要在使用期限內(nèi)使用(包裝上標(biāo)注有使用期限),一定不要重復(fù)使用。在從冷藏處拿出后,應(yīng)在室溫條件下放置一段時間再使用。Gastec GV-100 Gas Sampling Pump
The Model GV-100 Gas Sampling Pump can precisely collect a sample volume fo

更新時間:2024-12-19

在線留言
*胺(CH3)3N氣體檢測管222S Trimethyl amine 1-20ppm

*胺(CH3)3N氣體檢測管222S Trimethyl amine 1-20ppm

Tube No.222S

1. PERFORMANCE
1) Measuring range :1-20 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.3 ppm
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.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with phosphoric acid, PH indicator is discoloured.
2(CH3)3N+H3PO4→〔(CH3)3NH〕2HPO4
4. CALIBRATION OF THE TUBE
VAPOUR PRESSURE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
DEHUMIDIFIER
(White)
20
2 1
468
10
12
14
16
18
222S TRIMETHYL AMINE
Substance Interference Coexistence
Ammonia Similar stains are produced Higher readings are given.
Other amines 〃〃
(NOTE)
This tube scale is calibrated based on Diethyl amine and same scale is available for Trimethyl amine.