德国Dr. Ehrenstorfer GmbH  www.ehrenstorfer.com
德国Dr. Ehrenstorfer公司是欧洲主要提环境标准品的一家公司。具有超过35年的生产经验，销售分析标准, 对照材料, 以及为追加分析及环境分析所用的校准溶剂。 
我们的服务网广至全世界 
农药及农药代谢物 
对氨基马尿酸, 多溴联苯, 多氯化联苯, 苯酚, 挥发性及易挥发性化合物, 挥发性和微挥发性的化合物还有其他潜藏的有毒物质比如偶氮化合物, 胺圬磷, 具备光学活性的镜像异构体, 炸药,聚环状的麝香化合物, 二十碳五烯酸方法混合,稳定同位素标示的试剂重氢化 和 13碳化合物 
单瓶溶剂固定规格 (10 und 100 mg/L) 以及混合品 
EPA环境方法标准 
所有产品都是在通过ISO 9001认证的实验室中生产，并严格按照标准的程序生产、检测及包装，使产品质量得到稳定保证。德国Dr. Ehrenstorfer公司通过了德国品质系统DQS的认证。所有的 
我们在所有的证书上签名以其能够达到无漏洞的追踪工作。 
我们根据ISO 9001供应符合客户需求的混合物，并附上证书。 
我们亦提供合成稳定同位素标示的及 未标示的化学品,代谢物的服务 
质谱图集内含了超过一千五百笔资料包含农药， 农药代谢物， 对氨基马尿酸, 多溴联苯, 多氯化联苯， 炸药以及其他为追加分析用的混合品种类。 
我们也免费提供技术协助。 

Dr. Ehrenstorfer GmbH is specialized in high purity analytical standards used as reference materials in residue analysis and environmental analysis such as pesticides, metabolites, PAH, PBB, PCB, explosives.

More than 35 years production and distribution of analytical standards, reference materials, environmental standards for residue analysis and environmental analysis. 
Worldwide distribution 
Pesticides and pesticide metabolites 
PAH, PBB, PCB, Phenol, Volatiles, Semi-Volatiles and other potential pollutants like azodyes, toxaphen single congeners, optical active enantiomers, explosives, polycyclic musk compounds, epa method mixes, stable isotope labelled chemicals like deuterated compounds, 13C labelled compounds 
In neat form, as individual solutions (10 and 100 mg/L) and in mixes 
Standards for EPA methods 
Produced strictly under ISO 9001 quality standards 
All our certificates are signed originally to enable full traceability of our documents 
Custom designed mixes according to your requirements with Certificate and ISO 9001 
We synthetise stable isotope labelled and unlabelled chemicals and metabolites 
The specialized library of mass spectra with more than 1500 spectra including pesticides, pesticide metabolites, PAH, PBB, PCB explosives and other environmental important chemical compounds are listed in our ms library 
Technical support is free of charge