名稱(chēng)：10%聚乙二醇-20M/101填充柱

規(guī)格：3m*1/8，0.17mm-0.25mm

編號(hào)：20220511003

高溫度：250°C
應(yīng)用：GB/T 17521-1998 化學(xué)試劑 N,N-二甲基甲酰胺

分子式: HCON(CH3)2
相對(duì)分子質(zhì)量: 73.09(按1995年國(guó)際相對(duì)原子質(zhì)量)

范圍
本標(biāo)準(zhǔn)規(guī)定了化學(xué)試劑 N,N-二甲基甲酰胺的技術(shù)要求、試驗(yàn)方法、檢驗(yàn)規(guī)則和包裝及標(biāo)志。

性狀
本試劑為無(wú)色透明液體，能與水、醇、三氯甲烷、乙醚等相混溶。

規(guī)格
N,N-二甲基甲酰胺的規(guī)格應(yīng)符合表1的規(guī)定。

柱長(zhǎng)(不銹鋼柱):3 m;
柱內(nèi)徑:3 mm;
固定相:10%聚乙二醇 20 M涂于 101白色硅藻土載體[0. 18 mm-0.25 mm(60
180'C老化 4h以上;
柱溫度 80 C;
汽化室溫度:1800C;
檢測(cè)室溫度:180'C;
進(jìn)樣量:。.1 uL;

:10%聚乙二醇 20 M涂于 101填充柱 測(cè)試譜圖：





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 international relative atomic mass)



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;

Stationary phase: 10% polyethylene glycol 20 M coated on 101 white diatomite carrier [0. 18 mm-0.25 mm (60

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: