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(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>111U甲基異硫氰酸酯CH3NCS Methyl isothiocyanate 10-200ppm

甲基異硫氰酸酯CH3NCS Methyl isothiocyanate 10-200ppm

簡(jiǎn)要描述:

111U ETHYL ACETATE乙酸乙酯,甲基異硫氰酸酯CH3NCS Methyl isothiocyanate 10-200ppm,生化監(jiān)測(cè)箱,毒物現(xiàn)場(chǎng)勘察箱,突發(fā)化學(xué)事故應(yīng)急檢測(cè)箱,核化應(yīng)急檢測(cè)箱,突發(fā)事件應(yīng)急檢測(cè)箱,易制毒化學(xué)品檢驗(yàn)箱,化學(xué)事故應(yīng)急檢測(cè)箱主要適用于突發(fā)性化學(xué)事故(如火災(zāi)、爆炸、毒氣泄漏等)現(xiàn)場(chǎng)的有毒有害氣體快速檢測(cè),保證事故救援工作的順利進(jìn)行,為事故分析提供現(xiàn)場(chǎng)數(shù)據(jù)。

更新時(shí)間:2025-01-15

在線留言
甲基異硫氰酸酯CH3NCS Methyl isothiocyanate 10-200ppm

甲基異硫氰酸酯CH3NCS Methyl isothiocyanate 10-200ppm

Tube 11U

1. PERFORMANCE
1) Measuring range :20-1,000 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life : :2 years
5) Operating temperature :10~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Yellow→Brown
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CO2C2H5+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1000
800
600
400
200
100
50
20
??????????

????
?? ??
111U ETHYL ACETATE
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 15℃ 20℃ 25℃ 30℃ 35℃ 40℃
(ppm) (50°F) (59°F) (68°F) (77°F) (86°F) (95°F) (104°F)
1,000 1,330 1,200 1,000 830 700 600 500
800 1,080 950 800 670 550 470 400
600 830 720 600 500 420 380 300
400 570 480 400 330 280 240 200
200 280 240 200 170 140 120 100
100 150 120 100 80 70 60 50
50 70 60 50 40 30 20 10
20 30 25 20 15 10 7 4
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher reading are given.
Esters 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Whole reagent is discoloured to It the top of brown stain is clear,
Paraffin hydrocarbons Pale brown. athffee catcecdu.racy of readings is not
Halogenated hydrocarbons FIG.1 〃〃
0
200
400
600
800
1000
Trichloroethylene〔ppm〕?
FIG.1 Influence of Trichloroethylene
Ethyl acetate indicating value 〔ppm〕

欧美bbwhd老太大| 人妻三级日本三级日本三级极| 国产日产欧洲无码视频精品| 国产乱老熟妇吃嫩草| 国产精品一区二区 尿失禁| 97久久精品午夜一区二区 | 熟女人妻一区二区三区免费看 | 欧美性videos高清精品| 亚洲国产精品成人综合色在线| 人妻系列无码专区久久五月天| 男男黄gay片免费网站www| 最近最新手机中文大全4| 国产又爽又大又黄a片| 99久久国产露脸精品竹菊传媒| 无码爽大片日本无码aaa特黄| 亚洲色欲色欲大片www无码| 最近免费中文字幕2018视频| 国产AV永久无码天堂影院| 少妇脱了内裤让我添| 青春草无码精品视频在线观看| 午夜精品一区二区三区在线观看 | 亚洲国产一区二区A毛片| 秋霞国产成人精品午夜视频APP| 日本丰满少妇高潮呻吟| 夜夜高潮夜夜爽夜夜爱爱一区| 欧美人妻一区二区三区| 色欲久久久天天天综合网| 熟女国产精品视频一区二区三区| 这里只有精品在线视频| 国产欧美成人一区二区a片| 被滋润的少妇疯狂呻吟| 中文字幕人成乱码熟女app| 麻豆亚洲AV成人无码久久精品 | 精品人妻伦九区久久aaa片69| 国产av无码专区亚洲av毛片搜 | 欧美人妻一区二区三区| 野の欲求不満な人妻在线| 国产精品一区二区在线观看| 特级aaaaaaaaa毛片免费视频| 欲求不満の人妻松下纱荣子| 再深点灬舒服灬太大了视频|