精品国产乱子伦一区二区三区,免费无码又色又爽的视频软件,亚洲AV无码成人精品区,99国产精品国产精品九九

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:2024-10-31

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.

国产男女做爰猛烈叫床小说| 国产精品丝袜久久久久久不卡| 三上悠亚SSⅠN939无码播放| 疯狂做受XXXX高潮对白| 她快高潮时故意拔出来会怎么样| 性裸交A片A∨天传媒公司| 精品久久久久久综合日本| 国产亚洲精品精品精品| 女特警被三四个黑人糟蹋| 精品久久久久久亚洲综合网| 国模吧无码一区二区三区| 人妻精油按摩BD高清中文字幕| 日韩人妻无码精品A片免费不卡| 国产最好的高清播放机| 全黄裸片一29分钟免费真人版| 男女做爰吃奶猛烈叫床视频电影| 无码AV免费毛片一区二区| 国产又黄又爽又湿的免费网站| 夜夜嗨AV一区二区三区| 国产精品国产三级国产AV主播| 双性玩弄调教NP产乳孕交灌尿| 小受被多男摁住灌浓精A片| 越看水流的越多的故事| A片在线观看免费视频网站| 无码国产色欲XXXXX视频| 亚洲AV无码成人精品久久久蜜| 草草久久久无码国产专区| 色狠狠久久AV五月综合| 少妇愉情理伦片丰满丰满午夜| 亚洲欧美精品SUV| 办公室撕开奶罩揉吮奶漫画| 浪荡艳妇爆乳JUFD汗だく肉感| 中文无码精品一区二区三区| 日日噜狠狠天天噜噜噜噜| 色一情一区二区三区四区| 中文字幕乱妇无码AV在线| 免费观看性生交大片| 色一情一乱一伦一区二区三区日本| XFPLAY5566色资源网站| AV人摸人人人澡人人超碰导航| 精品一区二区免费视频蜜桃网|