Open jirhiker opened 7 years ago
Starting week of June 6 cocktail blank progessively increased. Matt H. noticed increase when blank was ~18fA.
A high dynamic rise rate in the mass spec was observed when outer cocktail valve (W) was CLOSED lead us to infer a small leak in the valve bellows.
W has replaced 6/12/17 with a new valve. Minibone backed for 4hours at 175C
Following bake, actuating W still releasing small but significant amount of gas.
Cycling W appears to help clean it up. W cycled 1400 times using a Procedures pyscript (Actuate_w.py on Felix)
Starting week of June 6 cocktail blank progessively increased. Matt H. noticed increase when blank was ~18fA.
A high dynamic rise rate in the mass spec was observed when outer cocktail valve (W) was CLOSED lead us to infer a small leak in the valve bellows.
W has replaced 6/12/17 with a new valve. Minibone backed for 4hours at 175C
Following bake, actuating W still releasing small but significant amount of gas.
Cycling W appears to help clean it up. W cycled 1400 times using a Procedures pyscript (Actuate_w.py on Felix)