权威认证：

l      符合ASTM、NIST 等国际标准

l      通过ISO9001:2000和ISO/IEC17025:2005认证

l      所有产品配有全面分析证明书（Certificate Of Analysis，COA）

产品系列：

l   石油类标准样品 Pertoleum Standards

l   水/酸基性标准样品  Aqueous Standards

l   固体标准样品  Solid Standars

l   分析仪器耗材及配件 Instruments Consumables

领先服务：

l      提供10 ppm、100ppm、1000ppm、10000ppm等各种浓度标准品，配比更合理

l      提供从5g到500g、10ml到500ml不同包装的标准品，使用更方便

l      提供各种浓度混标、套包装标准品，价格更优惠

l      专业定制各种浓度、包装的标准品，服务更到位

1. A+单元素标准 A+ Single Element Standards

Features of VHG Labs A+ Standards:
• High purity starting materials • Use of clean acids for digestions and dissolutions
• Use of UHP Type I (18Mohm) DI water • Stored and packaged in pre-cleaned bottles
• Full and rigorous QC testing • NIST High Performance Spectrometric Method1used for certification
• Shipped in poly-sealed bags • Purity confirmed with ICP-MS trace scans

2. NIST的高性能ICP-AES标定 NIST High Performance ICP-AES Protocol

3. Speciation Standards：Single-Element，Speciation，Isotopic，Atomic Absorption

4. 同位素标准 Isotopic Standards

5. 原子吸收标准 Atomic Absorption Standards

Suitable for all spectrometric techniques
Manufactured from high purity raw materials
Standards undergo more extensive QC for accuracy than competitive standards
Certificate of Analysis provided with each standard
Stocked for prompt shipment

6. 基体改进制、电离缓冲器和释放剂：GFAA Matrix Modifiers，Pre-Mixed GFAA Matrix Modifiers，Ionization Buffers，Lanthanum Releasing Agents

 Rigorous quality control of AA products
 Certificate of analysis supplied with each
 Matrix Modifier purity checked for over 70 elements