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