国产日韩欧美_国产亚洲一卡2卡3卡4卡网站_国产亚洲精品综合网在线观看_国产亚洲成AⅤ人片在线奶水_国产下药迷倒白嫩美女在线_国产午夜精品一区二E1_日本国产制服丝袜一区

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>111U正癸烷CH3(CH2)8CH3氣體檢測管111U n-Decane 5-90ppm

正癸烷CH3(CH2)8CH3氣體檢測管111U n-Decane 5-90ppm

簡要描述:

111U ETHYL ACETATE (+)CH3(CH2)8CH3 (正)癸烷;正十烷;n-Decane 5-90ppm,乙酸乙酯氣體檢測管111U,正癸烷CH3(CH2)8CH3氣體檢測管111U n-Decane 5-90ppm,但是,傳統(tǒng)上依靠人鼻嗅辨為主要環(huán)節(jié)的“三點(diǎn)式臭袋法",存在受個體因素影響大(鼻子的嗅覺疲勞、易受有毒臭氣傷害等)和效率不高(需7人一組多輪嗅辨)的弱點(diǎn),實(shí)際操作比較繁瑣。

更新時間:2025-01-08

發(fā)郵件給我們:554328895@qq.com

分享到: 1
在線留言
正癸烷CH3(CH2)8CH3氣體檢測管111U n-Decane 5-90ppm

正癸烷CH3(CH2)8CH3氣體檢測管111U n-Decane 5-90ppm

Tube 11U
1. PERFORMANCE
1) Measuring range :10-1,000 ppm
Number of pump strokes 1(100mL)
2) Sampling time :1.5 minutes / 1 pump stroke
3) Detectable limit : 5 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.
CH 3CO 2C 2H 5+Cr 6++H 2SO 4→Cr 3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
111U ETHYL ACETATE
TEMPERATURE CORRECTION COEFFICIENT TABLE
Scale Correction Coefficient (at 20℃)
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 1.33 1.17 1.0 0.87 0.74 0.64 0.53
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher reading are given.
Esters 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Whole reagent is discoloured
It the top of brown stain is
Paraffin hydrocarbons clear, the accuracy of
Pale brown.
readings is not affected.
Halogenated hydrocarbons
〃〃
FIG.1
0
200
400
600
800
1000
Trichloroethylene 〔ppm〕
FIG.1 Influence of Trichloroethylene
E thyl acetate indicating value 〔ppm 〕
100 200 300
800 1.38 1.19 1.0 0.86 0.73 0.63 0.53
600 1.40 1.20 1.0 0.86 0.72 0.63 0.53
400 1.40 1.20 1.0 0.85 0.70 0.58 0.46
200 1.40 1.20 1.0 0.84 0.68 0.55 0.42
100 1.50 1.25 1.0 0.81 0.62 0.48 0.33
50 1.50 1.25 1.0 0.77 0.54 0.43 0.32
30 1.50 1.25 1.0 0.77 0.53 0.42 0.30
10 1.50 1.25 1.0 0.75 0.50 0.40 0.30
www.r-biopharm.com.cn
www.r-biopharm.com.cn

邯郸县| 贡山| 米易县| 高阳县| 苏州市| 吴旗县| 温宿县| 额尔古纳市| 策勒县| 红桥区| 玉屏| 赤壁市| 台州市| 天全县| 上林县| 金乡县| 湖南省| 远安县| 邵武市| 阜新| 尼玛县| 茂名市| 北宁市| 禹州市| 介休市| 剑川县| 洛南县| 二连浩特市| 屏东市| 新化县| 泽州县| 电白县| 罗源县| 广南县| 丹东市| 温泉县| 建瓯市| 和政县| 嘉定区| 南岸区| 安康市|