国产精品久久久久久久久久久免费看|国精产品一区二区三区四区糖心|国产成人色视频一区二区三区|国产成人精品无码一区二区老年人

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

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

簡要描述:

異丙基硫醇(CH3)2CHSH氣體檢測管130U ISOPROPYL MERCAPTAN 0.5-10ppm,便攜式氣體檢測管異丙基硫醇檢測管((CH3)2CHSH)被檢物質(zhì)和化學(xué)式檢測管型號和名稱 抽氣顏色變化。實(shí)際上,共存氣體對目標(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

更新時間:2025-04-15

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

異丙基硫醇(CH3)2CHSH氣體檢測管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

少妇被粗大的猛烈进出96影院| 国产无遮挡又黄又湿又爽毛片| 亚洲黄色三级在线观看| 国产伦子沙发午休系列资源曝光| 欧美熟妇另类久久久久久多毛| 成人无码特黄特黄AV片在线| 国产人妻人伦精品| 久久99精品国产麻豆不卡| 六月婷婷久香在线视频| 国产精品无码素人福利不卡| 久久人人97超碰精品| 人妻系列无码专区久久五月天| 无码精品人妻一区二区三区人妻斩 | 亚洲中文日韩一区二区三区| 日本三级在线播放线观看免| 久久99精品久久久久久动态图| 国产大屁股喷水视频在线观看 | 国产精品中文字幕免费| 国产成人精品综合在线观看| 麻豆国产在线精品国偷产拍| 99精品全国免费观看视频| 亚洲狼人伊人免费视频| 蜜桃精品成人影片| 国精产品999一区二区三区有限| 全免费又大粗又黄又爽少妇片| 99热这里有精品| 亚洲精品久久久久成人2007| 国内少妇人妻偷人精品视频| 精品人妻人人做人人爽| 色偷偷亚洲第一成人综合网址| 午夜dj在线观看高清在线视频完整版 | 中文在线√天堂| 亚洲女女女同性video| 天天躁夜夜躁狠狠综合| 日本一区二区三区在线看| 成人av片在线观看免费| 一本色道久久88精品综合| 亚洲gv天堂gv无码男同| 东北女人毛多水多牲交视频| 国产精品国产三级国产试看| 四川丰满少妇被弄到高潮|