isiZulu
Okufanele Kufundwe Abathengi: Izicaciso Ezibalulekile Ze-silica Yomuthi Wokuxubha (QB/T 2346-2015)
Kwadalwa ngo Ngokwamukisa
Abathengi abaningi babheka intengo kuphela, bese bezisola lapho impahla ihluleka ukuhlolwa futhi ibangela izinkinga zokukhiqiza. I-silica yezinga lomuthi wokuxubha inezinga layo lomkhakha, i-QB/T 2346-2015. Kunezinkomba ezimbalwa eziyisisekelo okufanele uzibheke, kungenjalo uzohlangabezana nezinkinga ngaphandle kokuqonda ukuthi kungani.
Umgqa wonke we-silica yomuthi wokuxubha wakwaZhongqi uhambisana ne-QB/T 2346-2015, futhi yonke inqwaba ihlolwa ngokugcwele ngokwezinga ngaphambi kokuphuma efektri. Sinesikhungo sethu sokuhlola amagciwane kanye nesikhungo sokuhlola okomzimba namakhemikhali esinezinso ezigcwele — asincikile kuphela ekuhlolweni kwabantu besithathu.
Nawa izinkomba ezibalulekile okufanele umthengi ngamunye azibheke: Izinga le-silica (ngemva kokushiswa) ≥96% — thina sisebenza ngaphezu kuka-98%. I-pH ye-5% aqueous dispersion kufanele ibe ngu-5.5–8.5 ngokwezinga — thina silawula ebangeni eliqinile lika-6.0–8.5. Insalela ye-325-mesh ≥98%, iqinisekisa ukuthi azikho izinhlayiya ezinkulu ngokweqile. Izinsimbi ezisindayo: umthofu ≤15 mg/kg, i-arsenic ≤3 mg/kg — ngaphansi kakhulu komkhawulo kazwelonke. Izinkomba ze-microbial nazo ziyaphasa ngokugcwele, isibalo se-aerobic esiphelele ≤200 cfu/g.
Eminye imikhiqizo enenani eliphansi inokulawulwa kwezinkomba okuxekethile — isibonelo, ukuhlanzeka okuphansi noma amazinga ezinsimbi ezisindayo asondele emikhawulweni ejwayelekile. Izinkinga zingase zingabonakali esikhathini esifushane, kodwa kunengozi yokuguquguquka kwekhwalithi ngokusetshenziswa isikhathi eside. Sikhipha i-COA ephelele kuwo wonke ama-batch ngemininingwane elandelekayo. Ithebula eliphelele lokuqhathanisa nezinga likazwelonke liyatholakala ekhasini lethu lezinga lekhwalithi.
Amathengi akufanele aqhathanise amanani kuphela. Hlola inkomba ngayinye ngokumelene nezinga likazwelonke ngayinye, futhi uzogwema izingibe ezinkulu.
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