A. currently, GC # ALS.No.7 is a job for more than 12 years ago and is outdated, is usually used to test for H2, N2, CH4,And the level of CO gas in N2 and He tested ppmV level H2 gas ppmV in which to test the problem is contamination occurs during the test, for example, He and H2 must test more than 6-10 times per 1 test, for example, to report on the results. And the ability to test, for example, the less per day.
การแปล กรุณารอสักครู่..
