www.cgongxi.com-国产日产久久高清欧美一区WW,国产在线观看无码免费视频,国产日产久久高清欧美一区WW,国模欢欢炮交啪啪150P

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管>氣體快速檢測管>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,生化監測箱,毒物現場(chǎng)勘察箱,突發(fā)化學(xué)事故應急檢測箱,核化應急檢測箱,突發(fā)事件應急檢測箱,易制毒化學(xué)品檢驗箱,化學(xué)事故應急檢測箱主要適用于突發(fā)性化學(xué)事故(如火災、爆炸、毒氣泄漏等)現場(chǎng)的有毒有害氣體快速檢測,保證事故救援工作的順利進(jìn)行,為事故分析提供現場(chǎng)數據。

更新時(shí)間:2024-07-14

在線(xiàn)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〕

简阳市| 古田县| 黑水县| 临城县| 嘉义县| 宿松县| 彭州市| 高青县| 南乐县| 舒兰市| 微博| 建平县| 库伦旗| 南开区| 远安县| 永清县| 沅陵县| 梨树县| 永州市| 土默特右旗| 乐都县| 册亨县| 黄浦区| 霍邱县| 利津县| 新余市| 靖江市| 承德县| 滦南县| 绥德县| 凤山县| 宁化县| 嘉义市| 荣昌县| 本溪市| 上饶市| 龙岩市| 石台县| 故城县| 静海县| 辽宁省|