(1) Ka'idar aiki: Hanyar auna ingancin ruwa na DEK-1004 ta amfani da alkaline potassium persulfate a cikin yanayin digiri 120-140 don amfani da ammonia nitrogen, nitrogen nitrate da mafi yawan nitrides na kwayoyin halitta zuwa nitrate, bayan ƙara wani adadi na hydrochloric acid kawar da tsangwama, a cikin tsawon ruwa na 220nm, a daidaita tsangwama na tushen nitrate, da kuma daidaita tsangwama na kwayoyin halitta don daidaita wannan tsangwama a 275nm, daidai da dangantakar adadin daidaita tsangwama da jimlar nitrogen.

(2) Mai nazarin ingancin ruwa na kan layi na DEK-1004 yana da masu mahimmanci masu zuwa:

- Za a iya saita, duba da kuma nuna lokuta, ciki har da shekara, watanni, rana da lokaci, minti;

- Tare da ayyukan ƙararrawa na kayan aiki na wutar lantarki, kayan aiki na ruwa, samfurin ba zai iya shigo da ma'aunin ba daidai ba na tsarin da kuma nuna abun ciki na gazawar. A lokaci guda, dakatar da gudu har sai tsarin da aka sake kunna;

- Bayan ƙarshen kowane ma'auni, atomatik tsabtace kafin sarrafawa na'urorin, kayan aiki bututun, bawul da sauran sassa;

- aiki na kashe wutar lantarki, ta atomatik kariya na kashe ruwa da kuma kiran zuwa, ta atomatik dawo da ruwa;

- lokaci tsabtace, lokaci samfurin aiki;

- Touch allon duba mafi m, aiki mafi sauki.