質(zhi)檢(jian)項(xiang)目(mu)
指标值總氮量(N),%
≤0.001硫酸鹽(SO4),%
≤0.002磷酸鹽(PO4),%
≤0.001溴化物(wù)(Br),%
≤0.01碘化物(wù)(I),%
≤0.002幹燥失量,%
≤0.5澄清(qing)度試驗(yàn)
郃(he)格水不溶物(wù),%
≤0.005重(zhong)金屬(以(yi)Pb計(ji)),%
≤0.0005鎂(Mg),%
≤0.002鉀(K),%
≤0.02鈣(Ca),%
≤0.005鐵(Fe),%
≤0.0002鋇(Ba),%
≤0.001砷(As),%
≤0.00005含量(NaCl),%
≥99.5pH值(50g/L,25℃)
5.0~8.0六氰郃(he)鐵(Ⅱ)酸鹽[以(yi)Fe(CN)6計(ji)],%
≤0.0001
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