當前位置:上海境宣實業有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 139SB日本KITAGAWA北川式甲乙酮氣體檢測管139SB METHYL ETHYL KETONE
室內空氣甲醛檢測管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
日本KITAGAWA北川式甲乙酮氣體檢測管139SB METHYL ETHYL KETONE 0.01-1.4%
Tube 39SB
1. PERFORMANCE
1) Measuring range :0.01-1.4%
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 :Direct reading from the scale calibrated by 2 pump strokes
7) Colour change :Orange→Brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Potassium dichromate is reduced.
CH3COC2H5+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
%
200ml
GAS To pump
139SB METHYL ETHYL KETONE
Substance Interference ppm Coexistence
Whole reagent is discoloured to
Acetylene 3% Brown and higher readings are
given.
Propane 0.2% 〃
Other organic gases or vapours .
except Halogenated hydrocar- Similar stain is produced 50 Higher readings are given.
bons
請輸入賬號
請輸入密碼
請輸驗證碼
以上信息由企業自行提供,信息內容的真實性、準確性和合法性由相關企業負責,化工儀器網對此不承擔任何保證責任。
溫馨提示:為規避購買風險,建議您在購買產品前務必確認供應商資質及產品質量。