起订量:
丙酮中十氯联苯/四氯间二甲苯混标
高级会员第8年
生产厂家坛墨质检科技股份有限公司与旗下坛墨质检标准物质中心,2007年5月在北京成立,总部位于江苏常州,是一家标准物质/标准样品研发、生产、销售、服务为一体的高新技术企业,获得中国合格评定国家认可委员会(CNAS)ISO 17034:2016标准物质/标准样品生产者能力认可(注册号:CNAS RM0024)和ISO/IEC 17025:2017实验室认可(注册号:CNAS L15752),并通过ISO 9001质量管理体系、ISO 14001环境管理体系和ISO 45001职业健康安全管理体系认证。
作为国内标准物质/标准样品领域的先进企业,坛墨质检已建立江苏常州总公司、北京分公司、全资控股子公司山东星菲化学有限公司。坛墨质检拥有近60000个自有产品,成功申报guojiaji标准物质达487项,具备提供超50万种国内外品牌标准物质的一站式采购服务能力,累计为全国超30000家政府实验室、第三方检测机构、科研院所及生产企业提供服务。产品形态包括:液体标准物质、固体标准物质、同位素标记标准品、基质类标准物质/质控样品/能力验证样品、仪器校准/检定标准品、高纯化学试剂等,广泛应用于食品安全、环境保护、职业卫生、临床检验、化妆品、工业品等检测领域;同时,可提供特殊溶剂定制、特殊浓度定制、多组分混标定制、特殊包装定制等定制服务,所有定制产品均符合GB、SN、HJ、农业农村部等标准。
近年来,公司先后荣获“国家专精特新小巨人”、“高新技术企业”、“江苏省民营科技企业”、“常州市明星企业”等多项殊荣。坛墨质检始终秉承“准确、专业、quanwei——为分析测试提供溯源标准”的企业使命,认真践行“质量先行、客户第一”的企业核心价值观,致力于成为技术优先的民族标准物质品牌,为中国标准物质/标准样品事业的发展而踔厉奋发,共创辉煌!
This certificate is designed in accordance with ISO 17034 and ISO Guide 31. This reference material (RM) was designed,produced and verified in accordance with ISO/IEC 17025, ISO 17034 and a registered quality management system ISO 9001.
CERTIFIED | |||||
Component No. | Peak Sequence | Component | CAS No. | Concentration (μg/mL) | Uncertainty (%) |
1 | 1 | 2,4,5,6-Tetrachloro-m-xylene | 877-09-8 | 200 | 3 |
2 | 2 | 2,2',3,3',4,4',5,5',6,6'-Decachlorobiphenyl | 2051-24-3 | 200 | 3 |
C H R O M A T O G R A M
This RM is intended for use in a laboratory as a calibration and quality control standard or in method development for analytical techniques.
The certified value(s) and uncertainty(ies) are determined in accordance with ISO 17034 with an 95% confidence level (k=2). Uncertainty is based on the Total Combined Uncertainty, including uncertainties of preparation, purity of neat materials, homogeneity, stability testing.
The balances used for gravimetric measurements are calibrated with weights traceable to the national standards. The calibration of the balances is verified annually by an external accredited calibration service. This analysis method has been verified using an approach consistent with ISO 17034:2016 & ISO 17025:2017.
Random replicate samples of the final packaged RM have been analysed to prove homogeneity consistent with ISO 17034.
The RM should be stored in the original sealed bottle at the indicated temperature.