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and the key criteria for using an internal standard are: 1) it must not be present in the sample
000ug/mL MAGNESIUM 30mL
Nb ICP-OES 260
8A and 9B for more details
and duplicate samples should be subjected to the same preparatory and instrument determination procedures as those used on actual samples
1000ug/mL SULFUR 30mL CL01.0103.0500 and the key criteria forElement properties Sulfur Location: Group 16, Period 3 Atomic Weight: 32. 066 Coordination Number: 6 Chemical Form in Solution: (O)2S(OH)2 Storage & Handling: Keep tightly sealed when not in use. Store and use at 20 4C. Do not pipet from container. Do not return portions removed for pipetting to container. Chemical Compatibility: Soluble in HCl, HNO3, H3PO4, and HF aqueous matrices, water, and NH4OH. Stable with all metals and inorganic anions at low
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