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NH4OHAmmonium Hydroxide
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1% NH4OH ACN 5% to 95% B/2 min Waters Xevo TQ MS ESI negative 2000 V 15 V 550[degrees]C 1000 L/Hr 150 [degrees]C m/z 100 to 500 MRM data 7 V, full-scan data 3 V m/z 205 > 161
In our test of reproducibility a similar approach was used: a 200 mM artemisinin sample was mixed with 500 mM NH4OH solution in a tubular ("serpentine") reactor with 48 turns per 3 min at 40 [degrees]C.
The new plant produces ultra-pure NH4OH (electronic-grade ammonia water) used in the semiconductor and display manufacturing processes.