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            乙腈產品規格
            外觀
            無色、透明
            比重
            0.782~0.785
            蒸餾范圍
            80~82℃
            乙腈純度
            99.9%  最 低
            水份
            300PPm  最 高
            氰氫酸
            10ppm   最 高
            酸度
            0.05%ppm 最 高
            0.5ppm  最 高
            0.5ppm  最 高
            色灰
            NO.10   度最高
            丙烯腈
            25ppm   最 高
            丙酮
            25ppm   最 高
            游離氨
            6ppm   最 高
            SUPER GRADE OF ACETONITRILE

            Appearance,℃

            Clear

            Specific gravity 20/20,℃

            0.782~0.785

            Distillation Range,

            80.0~82.0

            Acetonitrile,wt,%

            99.95 MIN

            Water,wt,%

            0.02 MAX

            HCN,PPM

            10 MAX

            Acidity (as CH3COOH),PPM

            10 MAX
            Copper,PPM

            0.3 MAX

            Iron,PPM

            0.3 MAX

            Color, (APHA Pt-Co)

            10 MAX

            Propionitrile,PPM

            300 MAX

            Acrylonitrile,PPM

            5 MAX

            Acetone,PPM

            5 MAX

            Free Ammonia,PPM

            6 MAX

            UV cut off  (Abs=1),NM

            205 MAX

            Residue,PPM

            10 MAX

            HPLC GRADE OF ACETONITRILE
            Assay (CH3CN)
            >=99.9%
            Color (APHA)
            <=10

            Optical

            Absorbance

            at 190nm
            <=1.00
            at 200nm
            <=0.05
            at 210nm
            <=0.04
            at 220nm
            <=0.03
            at 230nm
            <=0.01
            at 240nm
            <=0.005
            at 250nm
            <=0.005
            Fluorescence Background (as Quinine Sulfate)
            To pass test
            LC Gradient Suitability
            To pass test
            Refractive Index
            at 25℃
            1.3405-1.3425
            Residue after Evaporation
            <=1ppm
            Water
            <=0.01%
            Titratable Acid
            <=0.008mEq/g
            Titratable Base
            <=0.0006mEq/g
            Density
            at 25℃
            0.775-0.780g/mL
             


            国产午夜精品一区二区三区,

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