--- 美國SPEX CLP項目標液 ---

ICP-MS干擾測試標液B1

ICP-MS Analytes B1

元素：20mg/L: Co, Cr, Cu, Mn, Ni, V
10mg/L: As, Cd, Se, Zn
5mg/L: Ag
基體：2% HNO3
體積：125mL
編號：CL-INT-B1

用途：Claritas PPT 級，電感耦合等離子體質(zhì)譜儀（ICP-MS）分析用元素標液。EPA合約實驗室CLP項目標液。
證書：每份標液都附有一份內(nèi)容詳細的標準物質(zhì)證書，證書報告標液中多至68種痕量雜質(zhì)元素含量實際測量結(jié)果。
溯源：美國NIST SRM  (Traceable by NIST SRM)

**應用參考 · INSTRUCTION**

每次測試開始和結(jié)束驗證干擾和背景校正因子，另外每20個樣品必需進行檢測。標液CL-INT-A1，稀釋20倍，為溶液A，標液CL-INT-A1稀釋20倍再加標液CL-INT-B1稀釋100倍后混合，為溶液AB。溶液A和溶液AB用于見的干擾檢測。一旦兩種溶液配制好，需連續(xù)分析，從溶液A開始。
CLP-M/6020/SW-846 Standards for ICP-MS
For verification of inter-element and background correction factors at the beginning and the end of each analysis run. In addition, a verification must be done after every 20th sample. Two solutions are required for the most common interference check: Solution A, the interferents alone (CL-INT-A1) and Solution AB, a combination of interferents (CL-INT-A1) and analytes (CL-INT-B1). Solution A is prepared by diluting CL-INT-A1 20-fold. Solution AB is prepared by diluting CL-INT-A1 20-fold and CL-INT-B1 100-fold; for example, 5 mL of CL-INT-A1 and 1 mL of CL-INT-B1 into a 100 mL volumetric flask, brought to volume with a matrix blank . Once prepared, the solutions should be analyzed consecutively, starting with Solution A.