丰满岳乱妇在线观看中字无码,漂亮的保姆5在线观看中文,把我绑在床头上夹奶头视频,免费人做人爱完整版视频

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乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm

乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm

簡要描述:

乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm,有限空間氣體檢測箱可檢測:一氧化碳25-1000ppm,二氧化碳0.05-3%,硫化氫1-100ppm,二氧化硫0.0001-0.01%,氨氣0.0001-0.01%,苯20-400mg/m3,氮氧化物5-100mg/m3,汽油50-1000mg/m3,氯氣1-30mg/m3,氯化氫1-30mg/m3,有機氣體定性,無機氣體定性。

更新時間:2025-01-15

在線留言
乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm

乙硫醇C2H5SH氣體檢測管130U ETHYL 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(100mr)
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

国产又色又爽又高潮免费| 领导征服下属新婚人妻 | 日产国产精品亚洲系列| 精品无码乱码av| 99久久无码一区人妻a片竹菊| 啦啦啦www播放日本观看| 大帝av在线一区二区三区| 无码人妻久久一区二区三区蜜桃 | 最美情侣免费视频播放在线看 | 人妻夜夜添夜夜无码av| 日韩欧美亚洲综合久久影院DS| a片做爰片仑理片免费看| 天黑黑影院在线观看视频高清免费| 日本高清视频在线网站| 亚洲国产av无码精品无广告| 国产又爽又黄无码无遮挡在线观看| 99久9在线 | 免费| 青青河边草免费视频观看| 亚洲av无码专区国产精品麻豆| 在线毛片片免费观看| 精品国产一区二区三区四区vr| 中文字幕乱码人妻一区二区三区 | 欧美人与禽Z0ZO牲伦交| 无码人妻一区二区三区在线| 久久久久人妻精品一区三寸| 中国新疆xxxxxl19免费看| 国内精品一区二区三区 | 熟女乱中文字幕熟女熟妇| 日本aⅴ精品中文字幕| 野花日本免费完整版高清版| 日本伊人精品一区二区三区| 国产sm鞭打折磨调教视频| 97无码免费人妻超级碰碰夜夜| 成人无码欧美大尺度视频| 蜜桃色欲av久久无码精品| 国产免费破外女真实出血视频| 少妇人妻好深太紧了a片| 国产精品毛片av一区二区三区 | 中文字幕人妻无码一区二区三区| 欧美性xxxxx极品娇小| 国产精品久久久久精品综合 |