Ricca Chemical, Standards, 11140-77-5; 1336-21-6; 7732-18-5
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VeriSpec™ Tungsten Standard for ICP/MS, 100 ppm NH4OH
Ricca ChemicalMatrix: 0,05% NH3 Min: >= 99.5 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility
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VeriSpec™ Tungsten Standard for ICP, 10 g/L in 10% NH3
Ricca ChemicalMatrix: 10% NH3 Min: >= 9950 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility
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