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产品名称: | 3m*3mm(内径) :10%聚乙二醇 20 M涂于 101填充柱 |
产品型号: | 3m*3mm(内径) |
品牌: | 1941 |
产品数量: | |
产品单价: | 面议 |
日期: | 2022-11-30 |
3m*3mm(内径) :10%聚乙二醇 20 M涂于 101填充柱的详细资料
:10%聚乙二醇 20 M涂于 101填充柱
名称:10%聚乙二醇-20M/101填充柱
规格:3m*1/8,0.17mm-0.25mm
编号:20220511003
高温度:250°C
应用:GB/T 17521-1998 化学试剂 N,N-二甲基甲酰胺
分子式: HCON(CH3)2
相对分子质量: 73.09(按1995年国际相对原子质量)
范围
本标准规定了化学试剂 N,N-二甲基甲酰胺的技术要求、试验方法、检验规则和包装及标志。
性状
本试剂为无色透明液体,能与水、醇、三氯甲烷、乙醚等相混溶。
规格
N,N-二甲基甲酰胺的规格应符合表1的规定。
柱长(不锈钢柱):3 m;
柱内径:3 mm;
固定相:10%聚乙二醇 20 M涂于 101白色硅藻土载体[0. 18 mm-0.25 mm(60
180'C老化 4h以上;
柱温度 80 C;
汽化室温度:1800C;
检测室温度:180'C;
进样量:。.1 uL;
:10%聚乙二醇 20 M涂于 101填充柱 测试谱图:
10% polyethylene glycol 20 M applied to 101 packed column
: 10% polyethylene glycol 20 M applied to 101 packed column Details:
Name: 10% PEG-20M/101 packed column
Specification: 3m * 1/8, 0.17mm-0.25mm
No.: 20220511003
Maximum temperature: 250 ° C
Application: GB/T 17521-1998 Chemical reagent N, N-dimethylformamide
Molecular formula: HCON (CH3) 2
Relative molecular weight: 73.09 (according to 1995 internatio
Range
This standard specifies the technical requirements, test methods, inspection rules, packaging and marks of chemical reagent N, N-dimethylformamide.
character
This reagent is a colorless transparent liquid, which is miscible with water, alcohol, chloroform, ether, etc.
Specifications
N. The specifications of N-dimethylformamide shall comply with the provisions in Table 1.
Column length (stainless steel column): 3m;
Column inner diameter: 3 mm;
Statio
Aging at 180'C for more than 4h;
Column temperature 80 C;
Vaporization chamber temperature: 1800C;
Detection room temperature: 180'C;
Injection volume: 1 uL;
: 10% polyethylene glycol 20 M coated on 101 packed column Test spectrogram: