去垢剂一批(清采比选20240382号)废止公告
- 2025-07-30
项目名称: 去垢剂一批(清采比选20240382号)废止公告
项目编号: 清采比选20240382号
中标公司: 北京万成新智科技有限公司
采购标的物: 去垢剂
项目地区:北京 北京
成交供应商:北京万成新智科技有限公司
项目名称:去垢剂一批
项目编号:清采比选20240382号
公告开始日期:2024-06-24 08:25:58
付款方式:合同签订后70%,验收合格后30%
签约时间要求:成交后5个工作日内
到货时间要求:签订合同后180个工作日内
预算总价:True
收货地址:北京市清华大学
采购商品:去垢剂一批
采购数量:1
计量单位:批
技术参数及配置要求:1、品名: GDN 货号:GDN101 规格:25g参数:Molecular Formula: C56H92O25CAS Number: [1402423-29-3]Formula Weight: 1165.31CMC: (H2O) ~ 18 μM(1) (0.0021%)Purity: ≥ 97% (by HPLC analysis)pH: 5-8 (1% solution in water)Solubility: ≥ 10% (in water at 20°C)Conductance: < 100 μS (10% solution in water)2、品名:Cholesteryl Hemisuccinate Tris Salt 货号:CH210 规格:25g参数:Molecular Formula: C31H50O4 · C4H11NO3CAS Number: [102601-49-0]Formula Weight: 607.9Identity: IR spectrum confirms to specification.Solubility: 1.2% in a 6% water solution of CHAPS.Appearance: White powder.3、品名:n-Dodecyl-β-D-Maltopyranoside, Anagrade 货号:D310 规格:25g参数:Molecular Formula: C24H46O11CAS Number: [69227-93-6]Formula Weight: 510.6CMC: (H2O) ~ 0.17 mM(1) (0.0087%)CMC: (0.2M NaCl) ~ 0.12 mM(2)Aggregation Number: (H2O) ~ 78-149(1,2)dn/dc: 0.1435ml/gm(4)Micelle Size: 72 kDa(5)Purity: ≥ 99% β+α (by HPLC analysis)Percent Anomer: < 2% α (HPLC)Percent Alcohol: < 0.005 Dodecanol (HPLC) pH: 5-8 (1% solution in water)Solubility: ≥ 20% (in water at 0-5°C)Conductance: < 40 μS (10% solution in water)Fluorescence: <10% (0.1% solution in water at 345nm)Absorbance of a 1% solution in water225 nm: < 0.1260 nm: < 0.06280 nm: < 0.04340 nm: < 0.024、品名:CHAPSO, Anagrade 货号:C317 规格:25g参数:Molecular Formula: C32H58N2O8SCAS Number: [82473-24-3]Formula Weight: 630.9CMC: (H2O) ~ 8 mM(1) (0.50%)Aggregation Number: (H2O) ~ 11(1)Purity: ≥ 99% (by HPLC analysis)pH: 5-8 (1% solution in water)Solubility: ≥ 0.5 M (in water at 20˚C)Conductance: < 100 μS (0.5 M solution in water)Fluorescence: <10% (0.1% solution in water at 345nm)Absorbance of a 1% solution in water260 nm: < 0.06280 nm: < 0.04340 nm: < 0.02