二乙二醇二甲醚_单标_有机类_标准物质_萘析商城

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二乙二醇二甲醚

BW903008

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111-96-6

0.5mL

秦境

99.5%

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二乙二醇二甲醚介绍：

Reference Material

This certificate is designed in accordance with ISO17034 and ISO Guide 31. This reference material (RM) was designed,produced andverified in accordance with ISO/IEC 17025, ISO 17034 and a registered qualitymanagement system ISO9001.

Product Name	Bis(2-methoxyethyl) ether
Product Code	BW903008
Lot Number	23041544
CAS No.	111-96-6
Mol. Formula	C₆H₁₄O₃
Mol. Weight	134.17
Certified on	20 Apr 2023
Expiry Date	19 Apr 2025
Storage Temp	20°C ± 4°C
Specification	0.5 mL

CERTIFIED

Purity

CERTIFIED

Expanded Uncertainty (U)

Approved by

99.5%

0.5%

Uncertainty

The certified value(s) and uncertainty(ies) aredetermined in accordance with ISO 17034 with an 95% confidence level (k=2).Uncertainty is based on the Total Combined Uncertainty, including uncertaintiesof characterisation, homogeneity and stability testing. Stability values arebased on real evidence opposed to simulation.

The producer certifies that this reference materialmeets the specification stated in this certificate until the expiry date,provided it is stored unopened at the recommended temperature herein. Productwarranties for this reference material are set out in the terms and conditionsof purchase.

Intended Use

This RM is intended for use in a laboratory as acalibration and quality control standard or in method development foranalytical techniques.

Safety

Proper precautions should be observed whilehandling. See Safety Data Sheet.

Traceability

The balances used for gravimetric measurements arecalibrated with weights traceable to the national standards (DKD). Thecalibration of the balances is verified daily internally and annually by anexternal accredited calibration service. Chromatographic methods are traceableto the International System of Units (SI).

Homogeneity

Random replicate samples of the final packaged RMhave been analysed to prove homogeneity compliant with ISO 17034.

Storage

The RM should be stored in the original sealedcontainer at the indicated temperature.

Instructions for use

It is recommended to use 1 mg as the minimum samplesize and if less material is used, to increase the certified uncertainty by afactor of two for half sample and four for a quarter of sample. If storageafter opening is necessary, the RM should be tightly closed and kept from lightand moisture. If the RM was in a sealed ampoule, it should be transferred to avial with minimum head space.

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国家标准解读：二乙二醇二甲醚相关检测标准

标准名称及标准号

GB/T 21886-2008《化学试剂二乙二醇二甲醚的测定》

适用范围

适用于化学试剂中二乙二醇二甲醚的纯度及杂质含量的测定，涵盖工业品及实验室检测用途。

核心检测方法

气相色谱法（GC）结合氢火焰离子化检测器（FID），采用内标法或面积归一化法定量分析目标物。

检出限与定量限

检出限（LOD）为0.01 mg/L，定量限（LOQ）为0.05 mg/L，适用于痕量及主成分分析。

质控样品要求

需包括空白样品、平行样和加标回收样，回收率应在80%-120%之间，平行样相对偏差≤5%。

关键实验步骤

1. 样品前处理（稀释或萃取）；
2. 色谱条件优化（柱温程序、流速设定）；
3. 标准曲线绘制与仪器校准；
4. 数据采集与结果计算。

特别说明

实验需在通风橱中进行，避免接触皮肤；色谱柱选择需兼容高沸点醚类化合物，推荐使用极性毛细管柱（如HP-INNOWax）。

以上信息仅供参考，请以相应标准的原文为准！