200.7WW QC STANDARD #2, 125mL 457404N You can Chat with our

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0063 µg/mL 1 ion   ICP-MS 140 amu 1 ppt n/a M+ 124Sn16O

01 µg/mL 1 ion Hf

CGNI10-125ML

According to the US EPA criteria

200.7WW QC STANDARD #2, 125mL 457404N You can Chat with ourDescription Intended use Quality Control Sample (QCS) This standard should be used on a quarterly basis or as required to meet data quality needs, verify the calibration standards and acceptable instrument performance. Read more Each laboratory using this method is required to operate a formal quality control program (QCP). The requirements of this program consist of an initial demonstration of laboratory performance, and subsequent analysis in each