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>139SB乙醛(醋醛)檢測管BUTYL ACETATE CH3CO2C4H9 10-400ppm

乙醛(醋醛)檢測管BUTYL ACETATE CH3CO2C4H9 10-400ppm

簡(jiǎn)要描述:

139SB BUTYL ACETATE (+) 乙醛(醋醛)檢測管BUTYL ACETATE CH3CO2C4H9 10-400ppm,準確度誤差主要來(lái)源于檢測管本身質(zhì)量,這主要決定于產(chǎn)品在制造過(guò)程中計量管理和質(zhì)量管理是否規范、加強這方面技術(shù)管理是確保檢測管質(zhì)量的前題,另外檢測管化學(xué)組份較為復雜,易產(chǎn)生質(zhì)變,應該使用在有效期內的檢測管。

更新時(shí)間:2024-07-14

在線(xiàn)留言
乙醛(醋醛)檢測管BUTYL ACETATE CH3CO2C4H9 10-400ppm

乙醛(醋醛)檢測管139SB BUTYL ACETATE CH3CO2C4H9 10-400ppm

1. PERFORMANCE
1) Measuring range :0.01-1.0%
Number of pump strokes 2(200ml)
2) Sampling time 3 minutes/2 pump strokes
3) Detectable limit :10 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Graduations printed on the tube are calibrated by Methyl ethyl ketone at 2 pump
strokes and Butyl acetate concentration is determined by using a conversion chart.
7) Colour change :Orange→Brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Potassium dichromate is reduced.
CH3CO2(CH2)3CH3+Cr6+H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
0.01
0.05
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
%? GAS To pump
Tube No.
BUTYL ACETATE
Substance Interference ppm Coexistence
Acetylene 3% Whole reagent is clanged to Brown.
Propane 0.2% 〃
Other organic gases or vapours
except Halogenated hydrocar- Similar stain is produced. 50 Higher readings are given.
bons
139SB C
Butyl acetate(%)?
39SB Tube reading(%)?
(200mR)?
0.01
0.05
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.01
0.1
0.2
0.4
0.6
0.8
1.0
www.r-biopharm.com.cn
www.r-biopharm.com.cn

宣化县| 宁河县| 依安县| 湟源县| 光泽县| 保定市| 屏东县| 平凉市| 辽阳县| 炉霍县| 山丹县| 定襄县| 建德市| 灵石县| 白山市| 成安县| 吕梁市| 河北省| 迁西县| 黔西| 镇康县| 新郑市| 平邑县| 曲沃县| 丽江市| 双城市| 遂宁市| 贡山| 新绛县| 上高县| 恩平市| 宣威市| 西盟| 临泽县| 莎车县| 井研县| 突泉县| 息烽县| 临汾市| 济宁市| 包头市|