精品国产天线2019,色综合久久无码五十路人妻,亚洲熟悉妇女XXX妇女AV,亚洲H在线播放在线观看H

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>240S硅烷SiH4氣體檢測管240S SILANE 0.5-50ppm

硅烷SiH4氣體檢測管240S SILANE 0.5-50ppm

簡要描述:

硅烷SiH4氣體檢測管240S SILANE 0.5-50ppm,化學性質(zhì):硅烷是一種無色、與空氣反應(yīng)并會引起窒息的氣體,同義名稱:四氫化硅(Silicon hydride) Tube Nos. 1HH, 2HT, all 6, 6L, 6LP, 6LLP, all 11, 11L, 11LA, 11S, 11HA, all 15, 15L, 15H, 19LA, 25, 26, 27, 45S, 45H, 51, 51H, 51L, 52, 53, 70, 70L, 76M, 77, 107

更新時間:2025-03-11

在線留言
硅烷SiH4氣體檢測管240S SILANE 0.5-50ppm

硅烷SiH4氣體檢測管240S SILANE 0.5-50ppm

Tube No.240S
1. PERFORMANCE
1) Measuring range :1-50 ppm 0.5-25 ppm
Number of pump strokes 1(100ml) 2(200ml)
2) Sampling time :5 minutes/1 pump stroke
3) Detectable limit :0.3 ppm(200ml)
4) Shelf life :1 year (Necessary to store in a refrigerated place ; 0~10℃)
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary under 20℃(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Yellow→Red
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with Mercuric chloride, Hydrogen chloride is liberated and PH indicator is discoloured.
SiH4+HgCI2→HCI
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
50
40
30
20
10
5
2 1 GAS To pump
240S SILANE
Substance Interference ppm Coexistence
Phosphine 2re lda ysetarsin o af rger epyroisdhu wcehdit.e and 20 Higher readings are given.
Arsine 2st alainye arrse o pf rdoadrukc berdo.wn and red 50 〃
Disilane A Similar stain is produced. 2 〃
Diborane 〃20 〃
Ammonia 100 Lower readings are given.
Whole reagent is changed to orange. But
Sulphur dioxide the accuracy of readings are not affected
by Sulphur dioxide if the top of the stained
layer is clear.
IPA Not affected.
Hydrogen 〃
Hydrogen chloride 250 Not affected.
Dichlorosilane 200 〃
(NOTE)
In case of 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=Temperature corrected value×1/2
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20-40℃
(ppm) (32°F) (50°F) (68-104°F)
50 38 45 50
40 30 35 40
30 22 26 30
20 14 17 20
10 7 8 10
5 4 4 5
2 2 2 2
1 1 1 1

欧美熟乱第1页| 久久精品国产亚洲夜色av网站| 中文字幕精品一区二区精品| 日产精品一卡2卡三卡4乱码| 久久久久久精品一区二区三区日本| 久久国产露脸老熟女熟69| 日本三级欧美三级人妇视频黑白配| 天天躁日日躁狠狠躁人妻| 国产麻豆剧传媒精品国产AV| 荡女妇边被C边呻吟久久网| 蜜桃麻豆WWW久久囤产精品| 国产色情18一20岁片A片| 久久国产露脸老熟女熟69| 狠狠躁夜夜躁人人爽野战天天| 国产乱自产黄A片在线观看 | 成人国产一区二区三区精品| 欧美一区二区三区成人片在线| 国产亚洲精品久久久久久禁果TV| 久热这里只有精品视频6| 国产精品天堂avav在线| FREE性VIDEOXXX欧美| 久久久777天天躁狠狠躁av| 久久久久久精品无码人妻| 九九精品国产亚洲av日韩| 免费真人视频网站直播下载| 24小时在线看免费观看直播| 欧美人妻www无码国产黄漫| 人妻丰满熟妇av无码区| 学生16女人毛片免费视频| 色婷婷av一区二区三区| 一区二三国产好的精华液品牌| 免费网站看av片| 欧美熟妇的性裸交XXXXX| 中文字幕人妻中文av不卡专区 | 护士的色诱2在线观看免费| 日韩无码专区| 亚洲人成无码WWW久久久| 国产美女在线精品免费观看| 久久亚洲AV无码国产精品| 色综合久久88色综合天天| 久久久久久久99精品国产片|