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                  硅膠系列
                  柱層層析硅膠
                  硅膠系列 2018-08-28 03:26:56
                  性狀:
                  本品為白色均勻顆粒,主要成分為二氧化硅,具有純度高,安全衛生之特 點,因其對不同物質組份吸附停留時間不同,能使不同的混合組份達到分離提純的目的。
                  用途: 
                   主要用于石油產品的精制,脫除芳烴物質或用于中草藥有效成分的分離提純,高純度物質的制備等。
                  技術指標:
                  項目 指標
                  I類 II 類
                  型號 ZCX-1 ZCX-2 ZCX-3 ZCX-1 ZCX-2 ZCX-3
                  氯化物(Cl), % ≤ 0.02  
                  鐵(Fe), % ≤ 0.02  
                  PH(100g/l水懸浮液) 6.0-7.0 6.0-8.0
                  鉛(Pb),% ≤ 0.001  
                  砷(As),% ≤ 0.0003  
                  重金屬(以Pb計),% ≤ 0.003  
                  加熱減量,% ≤ 3.0 5.0
                  比表面,m2/g ≥550 300-500 200-300 ≥550 300-500 200-300
                  孔容,ml/g ≤0.70 0.70-0.90 ≥0.85 ≤0.70 0.70-0.90 ≥0.85
                  粒度合格率,% ≥ > 150μ75-150μ50-75μ< 50μ
                   80  80  60   60
                  > 150μ75-150μ50-75μ< 50μ
                   80  80  60   60
                  粒度 mm 協議
                   
                   
                  Silica Gel for Column-layer Chromatography
                  Characteristics
                  White grains of homogeneous size. Chief ingredient is silicon dioxide Of high purity. Secure and sanitary. Can be used to separate and refine mixed components because different absorption duration on this silica gel
                  Use
                  For refinement of petrol products, removal of aromatic hydrocarbon material, separation and refinement of traditional Chinese herbal medicine components, preparation of high purity substance, etc.
                  Technical Data
                  ITEM Specifications
                  Type I Type II
                  Type ZCX-1 ZCX-2 ZCX-3 ZCX-1 ZCX-2 ZCX-3
                  Chlorides(Cl), %≤ 0.02  
                  Iron(Fe), %≤ 0.02  
                  PH(100g/l water suspension) 6.0-7.0 6.0-8.0
                  Lead(Pb), %≤ 0.001  
                  Arsenic(As), %≤ 0.0003  
                  Heavy metals (by Pb), %≤ 0.003  
                  Loss on heating, %≤ 3.0 5.0
                  Specific surface, m2/g ≥550 300-500 200-300 ≥550 300-500 200-300
                  Pore volume, ml/g ≤0.70 0.70-0.90 ≥0.85 ≤0.70 0.70-0.90 ≥0.85
                  Granularity eligibility, %≥ > 150μ75-150μ50-75μ< 50μ
                   80  80  60   60
                  > 150μ75-150μ50-75μ< 50μ
                   80  80  60   60
                  Granularity, mm To be decided upon buyers requirements

                   
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