进样口衬管,超高惰性,不分流,直型,0.75 mm 内径,用于 SPME
商家询价 上海希言科学仪器有限公司
COL-Elite 5HT 15 m .25 mm .10 μm
安捷伦岛津氘灯Waters 2487 D2 lamp
商家询价 北京绿百草科技发展有限公司
2 mL 11mm Crimp top clear vial 100
Oil Std. Yttrium Conc.1000 μg/g 50 g
DB-5 柱,30 m,0.53 mm,0.25 m,7 英寸柱架
On-line Internal Standards addition kit allows the on-line mixing of an internal standard solution using the third channel of the X Series 2 peristaltic pump to improve productivity.
商家询价 北京中科三环仪器有限责任公司
气相色谱柱法检查苯噻啶片和林旦乳膏中的α-六六六 气相色谱柱HR-52
苯噻啶片,林旦乳膏,α-六六六,含量测定,
alectrodeless Discharge Lamp Sys. 2 - Cs
Lumina Hollow Cathode 2" Lamp - Sb