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乙二胺四乙酸二钠标准溶液,6381-92-6,0.05 M in H2O,volumetric standard
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高纯硼粉,7440-42-8,99.9% metals basis
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硼粉,7440-42-8,≥95%,无定形粉末
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锡标准溶液,7440-31-5,1000ug/ml in 3.0 mol/l HCl with trace HNO3
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硼粉,7440-42-8,无定型,98%,粒径(D50)≤20μm
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钾标准溶液,7440-09-7,500mg/L in water
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SLT-E11I1AAS 硫酸亚铁铵溶液
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钕标准溶液,7440-00-8,analytical standard, 1000μg/ml in 1mol/L HNO3
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2,6-二氯苯酚标准溶液,87-65-0,100ng/ul,溶于甲醇
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砷标准溶液,7440-38-2,analytical standard, 1000ug/ml in 1.0mol/L HNO3
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