二乙醇胺,Diethanolamine [DEA];ACS reagent, ≥98.5%
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三氧化钼(VI),Molybdenum(VI) oxide;puriss. p.a., 99.5%
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焦硫酸钾,Potassium disulfate;ReagentPlus®, 99%
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氯化钾,Potassium chloride;99.999% trace metals basis
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水杨酸钠,Sodium salicylate;puriss. p.a., ≥99.5% (NT)
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溴酸钾,Potassium bromate;for analysis (max 0,000001% Hg) EMSURE® ACS,ISO,Reag. Ph Eur, ≥99.8%
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1-萘酚 [α-萘酚],1-Naphthol;ReagentPlus®, ≥99%