国产精品久久久久久无码专区,日本免费无码一区二区到五区,gogogo日本免费观看视频,亚洲av综合色区无码一区爱av

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:2024-11-28

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.

情人在线观看| 女学生小嫩嫩无遮挡| 国产精品欧美一区二区三区不卡| 精品人妻人人爽久久爽av蜜桃| 无码人妻熟妇av又粗又大| 麻麻张开腿让我爽了一夜| 996久久国产精品线观看| 久久精品国产亚洲av天美18| 国产精品久久久久无码av| 国产精品久久久久一区二区三区| 性生交大片免费看| 久久婷婷五月综合色国产香蕉| 国产多p交换视频| 日产精品一卡2卡三卡4乱码| 帅小伙自慰videogay男男| 人妻 日韩 欧美 综合 制服| 国产chinasex对白videos麻豆| 稚嫩的小奶头被咬得又红又肿| 男同桌上课用手指进去了好爽| 成人性生交大片免费看京东小视频| 亚洲精品无码专区| 一边啪啪一边呻吟av夜夜嗨| 免费漫画网站| 被学长抱进小树林c个爽| 国产女人18毛片水真多1| 玩小雪跪趴把腿分到最大影视| 色噜噜狠狠一区二区三区果冻| 开丫头小嫩苞疼死了| 日韩无码专区| 苍井空浴缸大战猛男120分钟| 亚洲精品久久无码老熟妇| 男人狂躁进女人免费视频| 久久av色欲av久久蜜桃麻豆| 玩弄了裸睡少妇人妻野战| 18禁男女爽爽爽午夜网站免费| 男人用嘴添女人下身免费视频| 久久精品午夜一区二区福利| 日本a级作爱片| 国产免费一区二区三区在线观看| xxxx丰满小少妇女自小说| aaaaa级少妇高潮大片免费看|