乙二醇二丁醚檢測管BUTYL CELLOSOLVE C4H9OCH2CH2OH 10-1000ppm

290PII汽油/煤油檢測管290PII       118SB苯氣體檢測管118SB BENZENE 5-300ppm       713室內空氣甲醛檢測管No.713 FORMALDEHYDE 0.01-0.50ppm       132SC氯乙烯CH2=CHCl氣體測毒管132SC VINYL CHLORIDE 0.1-12.0ppm       132SB氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORIDE 5-500ppm       132SA氯乙烯CH2=CHCl氣體檢測管132SA VINYL CHLORIDE 0.05-1.0%       237S醋酸乙烯酯CH3CO2CH=CH2氣體檢測管237S VINYL ACETATE 5-120ppm       216S正戊酸CH3（CH2）3COOH氣體檢測管216S N-VALERIC ACID 3-70ppm       111U正/十一烷CH3（CH2）9CH3氣體檢測管111U 10-140ppm       113SB2,2,4-*基戊烷（CH3）3CCH2CH（CH3）2氣體檢測管113SB 100-4000