国产办公室激情高潮在线,巨肉黄暴辣文高H文,娇妻与老头高潮在线观看,免费观看电视剧全集在线播放 ,亚洲精品乱码一区二区三区

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>130U異丙基硫醇(CH3)2CHSH氣體檢測(cè)管130U ISOPROPYL MERCAPTAN 0.5-1

異丙基硫醇(CH3)2CHSH氣體檢測(cè)管130U ISOPROPYL MERCAPTAN 0.5-1

簡(jiǎn)要描述:

異丙基硫醇(CH3)2CHSH氣體檢測(cè)管130U ISOPROPYL MERCAPTAN 0.5-10ppm,便攜式氣體檢測(cè)管異丙基硫醇檢測(cè)管((CH3)2CHSH)被檢物質(zhì)和化學(xué)式檢測(cè)管型號(hào)和名稱 抽氣顏色變化。實(shí)際上,共存氣體對(duì)目標(biāo)氣體的干擾是比較復(fù)雜的,但在大多數(shù)情況下,只有*種情況出現(xiàn)的較多,異丙(基)硫醇;2-丙硫醇;Isopropyl mercaptan

更新時(shí)間:2025-08-06

在線留言
異丙基硫醇(CH3)2CHSH氣體檢測(cè)管130U ISOPROPYL MERCAPTAN 0.5-1

異丙基硫醇(CH3)2CHSH氣體檢測(cè)管130U ISOPROPYL MERCAPTAN 0.5-10ppm

Tube 30U
1. PERFORMANCE
1) Measuring range :1-10 ppm 0.5-5 ppm
Number of pump strokes :1/2(50ml) 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.2 ppm(100ml)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by Methyl mercaptan at 1 pump stroke
7) Colour change :Pale yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Mercuric cholride, Hydrogen chloride is produced and PH indicator is discoloured.
C2H5SH+HgCI2→RS(HgCI)+HCI
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS ???? To pump
5
4
3
2
1
0.5
100ml
ppm
(White)
DEHUMIDIFIER
130U ETHYL MERCAPTAN
Substance Interference Coexistence
Arsine Similar stain is produced. Higher readings are given.
Hydrogen selenide 〃〃
Phosphine 〃〃
Hydrogen sulphide 〃
Hydrogen cyanide Whole reagent is changed to Red. 〃
Whole reagent is changed to
Sulphur dioxide Pale red, but Pink stain indicates
Mercaptans conc.
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Reading value

8050午夜三级的全黄| 国产迷亚洲一区二区三区| 国产精品久久久久久亚洲毛片| 舌头伸进去里面吃小豆豆| 精品无码久久VAa国产| 麻豆APP| 国产v精品欧美精品v日韩| 亚洲男人的天堂高清在线| 精品无码一区二区三区av| 国产精品野外av久久久| 久久精品亚洲欧美日韩久久| 久久久久中文字幕有码饱满| 美女黄精品日韩一区二区| 真人啪啪XXOO动态图片GIF| 亚洲国产成人久久综合碰碰| 成人s级片子在线观看网| 蜜桃久久精品一区二区三区| 在线 中文字幕 第一页| 2020最新国产精品自拍| 末成年女a∨片一区二区| 日韩电影一区二区在线播放| 巨胸美女露双奶头无遮挡| 成人午夜精品无码区久久| 激情国产一区二区三区四| 无码高潮少妇毛多水多水| 极品老师腿张开粉嫩小泬| 亚洲 欧美日韩 国产综合| 久久精品国产亚洲av天海| 小一av在线v| 国产亚洲日产| 99re热视频在线观看| 少妇挤奶水a片无码网站| 老司机在线精品视频网站| 日本不卡一区二区三区黄| 爱抚视频国产精品一区二区 | 专干老熟女视频在线观看| 内射人妻少妇无码一本一道| 囯产精品久久久久久久久蜜桃| 午夜免费免费啪视频观看| 久久久美腿丝袜夜夜夜电影| 日本公妇乱偷中文字幕|