Laawol oksidaasiyoŋ asid nitrik etilen glikol asid oksalik
Ngolɗoo laawol oksidaasiyoŋ ina nanndi no feewi e laawol oksidaasiyoŋ amidon. Kosam etilen glikol ndiyam ina ɓuuɓnee haa 60 °C, asid jillondirɗo (30%–40% asid sulfurik e masse, 20%–25% asid nitriik e masse) e pentoksiid vanadium ɓeydee heen e ɓuuɓri tiiɗndi. Oksidaasiyoŋ oo waɗata ko to 50–70 °C e 1,3–4,0 kPa. Geɗel ngel ina cooynee, ina ɓuuɓnee, ina filtiree ngam heɓde asid oksalik mo laaɓal mum tolnii e 99,9% e ƴellitaare ko ɓuri 90%. Ndee feere ina waawi waɗeede e sarɗiiji tati : ɓuuɓol weeyo, ustaare ɓuuɓol, e ɓeydagol ɓuuɓol. Ina waɗi feere saɗtunde, ina heewi asid oksalik, ina waɗi geɗe moƴƴe, ina waɗi kadi ko ina wona 100 000 mbuuɗu, kono coggu nguu ina heewi.

Ko ɗum woni ko wiyetee “Dihidrate” asid oksalik – 99,6% laaɓal
Koolaaɗo kuuɓal, peewnoowo kemikal hoolaare e yeeyoowo kemikal gila 2006, ina anndi peewnugol dihidraat asid oksalik laaɓtuɗo (H2C2O4·2H2O, CAS 6153-56-6, kalite EINECS65-42. Asid oksalik men mo njuɓɓudi gollordu ina manti laaɓal ɓurngal famɗude 99,6%, feeñata ko e ɓuuɓri ɓaleeri ndi ɓuuɓri mum famɗi (sulfaat ≤0,1%, njamndi teeŋtundi ≤0,002%, njamndi ≤0,003%). Ina huutoree no feewi e binndol & mbaylaandi, e peewnugol leɗɗe, e laɓɓingol dow njamndi, e polisde marbere, e ƴellitde ndiyam, e ƴettugol leydi ndi heewaani, e sintesis hakkundeejo farmasi.
Min ɗon jogga limngal ɗuuɗngal nder defte amin Shandong, ko hokkata neldugo ko yaawi ngam umrooje ɗuuɗɗe. Cuɓe paaspooruuji ɓuuɓɗi (25kg, 50kg, saakuuji 1000kg) e neldugol winndere ndee ummoraade e portooji Qingdao, Tianjin, walla Shanghai ina ɗaɓɓi neldugol e sahaa mum e nder winndere ndee kala. Min ndokka ballal karallaagal timmungal, binndanɗe COA/MSDS, e cogguuji potɗi huutoreede ngam heɓde haajuuji gollorɗe ceertuɗe.
Jokkondir e amen hannde ngam heɓde limre teskinnde e seerndude laylaytol maa asid oksalik.