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氨氮标准溶液,100mg/L(as N ) in H2O
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氨氮标准溶液,500mg/L in H2O
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砷标准溶液,7440-38-2,analytical standard, 100ug/ml in 1%HNO3
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砷标准溶液,7440-38-2,analytical standard, 100mg/L in H2SO4
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砷 ICP 标准液 1,000 mg/l traceable to SRM from NIST H₃AsO₄ in HNO₃ 2-3% 1000 mg/l As CertiPUR®
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铼 ICP 标准液 1,000 mg/l traceable to SRM from NIST NH₄ReO₄ in H₂O 1000 mg/l Re CertiPUR®
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铌 ICP 标准液 1,000 mg/l traceable to SRM from NIST NH₄NbF₆ in H₂O 1000 mg/l Nb CertiPUR®
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磷 ICP 标准液 1,000 mg/l traceable to SRM from NIST H₃PO₄ in H₂O 1000 mg/l P CertiPUR®
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硼 ICP 标准液 1,000 mg/l traceable to SRM from NIST, H₃BO₃ in H₂O 1000 mg/l B CertiPUR®
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钽 ICP 标准液 1,000 mg/l traceable to SRM from NIST (NH₄)₂TaF₇ in H₂O 1000 mg/l Ta CertiPUR®
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