-
总有机碳(TOC)标准溶液,1000mg/L,in water
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硝酸钇 六水合物,13494-98-9,99.9% metals basis
-
钒标准溶液,7440-62-2,500mg/L,in 1%HNO3
-
硝酸钇 六水合物,13494-98-9,AR,99.5% metals basis
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硝酸盐氮标准溶液,1000ug/ml in Water (20℃)
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铁标准溶液,7439-89-6,analytical standard ,1000mg/L in 5%HCl
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铅标准溶液,7439-92-1,1.00μg/g,in :K+ 2.2mg/L,Na+ 23mg/L,Ca2+ 39mg/L,Mg2+11mg/L,0.5mol/L HNO3
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砷标准溶液,7440-38-2,analytical standard, 100mg/L in H2SO4
-
邻苯二酚标准溶液,120-80-9,analytical standard,1000ug/ml in methanol
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硝酸钇 六水合物
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