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乙酸異丙酯氣體檢測管111U ISOPROPYL ACETATE CH3CO2CH(CH3)2

乙酸異丙酯氣體檢測管111U ISOPROPYL ACETATE CH3CO2CH(CH3)2

簡(jiǎn)要描述:

乙酸異丙酯氣體檢測管111U ISOPROPYL ACETATE CH3CO2CH(CH3)2 10-1000ppm,別名:醋酸異丙酯,健康危害:蒸氣對呼吸道有刺激性。吸入高濃度蒸氣可出現頭痛、頭暈、惡心、嘔吐及麻醉作用。蒸氣和霧對眼有刺激性,液體可致角膜損害。大量口服引起惡心、嘔吐。短時(shí)接觸對皮膚無(wú)刺激,長(cháng)期接觸有刺激性。

更新時(shí)間:2024-07-14

在線(xiàn)留言
乙酸異丙酯氣體檢測管111U ISOPROPYL ACETATE CH3CO2CH(CH3)2

乙酸異丙酯氣體檢測管111U ISOPROPYL ACETATE CH3CO2CH(CH3)2 10-1000ppm

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

河池市| 淳安县| 台东县| 吴旗县| 连南| 汉寿县| 星座| 云梦县| 南和县| 广汉市| 富顺县| 翁牛特旗| 湖口县| 鹿邑县| 平武县| 汶上县| 徐州市| 分宜县| 苗栗市| 遂平县| 滦南县| 崇信县| 土默特右旗| 和政县| 山阴县| 丹阳市| 临桂县| 西乡县| 克拉玛依市| 慈溪市| 杭州市| 禹城市| 佛坪县| 固始县| 祁东县| 沙湾县| 四子王旗| 确山县| 富顺县| 波密县| 云龙县|