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钨 AAS 标准液 1,000 mg/l traceable to SRM from NIST (NH₄)₂WO₄ in H₂O 1000 mg/l W CertiPUR®
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钨 AAS 标准液 1,000 mg/l traceable to SRM from NIST (NH₄)₂WO₄ in H₂O 1000 mg/l W CertiPUR®
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总有机碳(TOC)标准溶液,1000mg/L,in water
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钨 ICP 标准液 1,000 mg/l traceable to SRM from NIST (NH₄)₂WO₄ in H₂O 1000 mg/l W CertiPUR®
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钨标准溶液,7440-33-7,analytical standard ,1000ug/ml in 0.1mol/LNaOH
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铁标准溶液,7439-89-6,analytical standard ,1000mg/L in 5%HCl
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W钨元素灯HOLLOW CATHODE LAMP: W L233,用于AA-6650
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W钨元素灯HOLLOW CATHODE LAMP: W L233,用于AA-7000
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W钨元素灯HOLLOW CATHODE LAMP: W L233,用于AA-6880
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联苯胺标准溶液,92-87-5,1000μg/ml,溶剂:甲醇
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