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>111SA乙酸乙酯CH3CO2C2H5氣體檢測管111SA ETHYL ACETATE 0.1-5.0%

乙酸乙酯CH3CO2C2H5氣體檢測管111SA ETHYL ACETATE 0.1-5.0%

簡(jiǎn)要描述:

乙酸乙酯CH3CO2C2H5氣體檢測管111SA ETHYL ACETATE 0.1-5.0%,取樣時(shí),每次抽50毫升,抽兩次的效果是否和抽一百毫升一樣? 不是。因為兩種狀態(tài)下,氣體在檢測管中的的流速是不一樣的,其與檢測劑的反應速率也會(huì )不一樣。

更新時(shí)間:2024-07-14

在線(xiàn)留言
乙酸乙酯CH3CO2C2H5氣體檢測管111SA ETHYL ACETATE 0.1-5.0%

乙酸乙酯CH3CO2C2H5氣體檢測管111SA ETHYL ACETATE 0.1-5.0%

Tube 11SA
1. PERFORMANCE
1) Measuring range :0.1-5.0%
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life :3 years
5) Operating temperature : 0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Orange→Brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% 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
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.3
0.1
%
????
111SA ETHYL ACETATE
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
5.0 - - 5.0 4.0 3.0
4.5 - - 4.5 3.6 2.7
4.0 - 5.8 4.0 3.2 2.4
3.5 - 5.0 3.5 2.8 2.1
3.0 - 4.2 3.0 2.3 1.7
2.5 - 3.5 2.5 1.9 1.4
2.0 - 2.6 2.0 1.5 1.1
1.5 2.6 1.9 1.5 1.1 0.7
1.0 1.5 1.2 1.0 0.7 0.4
0.5 0.6 0.6 0.5 0.3 0.2
0.3 0.4 0.3 0.3 0.2 0.1
0.1 0.1 0.1 0.1 0.1 0.1
Substance Interference ppm Coexistence
Acetylene 3% Whole reagent is discoloured to
Brown.
Propane 0.2% 〃
Other organic or vapours
except Halogenated hydro- Similar stain is produced. 50 Higher reading are given.

当涂县| 牡丹江市| 汽车| 濮阳市| 霸州市| 若尔盖县| 蓬溪县| 临海市| 莱州市| 那曲县| 巴彦淖尔市| 吴川市| 阳西县| 高台县| 象山县| 朔州市| 塘沽区| 泾川县| 宁德市| 五台县| 东丰县| 丰都县| 乌兰县| 布尔津县| 鄂州市| 横山县| 博乐市| 辉南县| 阿鲁科尔沁旗| 永顺县| 绥阳县| 陆丰市| 济宁市| 鸡西市| 贵德县| 克山县| 佛山市| 信宜市| 兴宁市| 中方县| 铜川市|