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纵观全球,Merck溶剂是高质量和可靠性的代名词。我们产品经过不断的发展从而满足日益增长的质量要求。我们产品范围广且质量高,这可以从全球用户的反馈中得知。我们拥有适合任何应用的溶剂。 我们拥有超过30,000种化学试剂。
无水磷酸氢二钠 anhydrous 99.99 Suprapur®
硫酸钠 anhydrous 99.99 Suprapur®
磷酸二氢钾溶液 (buffer stock solution) 1/₁₅ mol/l
磷酸氢二钠 (buffer stock solution) 1/15 mol/l
磷酸二氢钾, 磷酸氢二钠 certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)=6.86₃/pH(S)=7.41₆ (25°C) (DIN 19266) CertiPUR®
四草酸钾 certified secondary standard reference material for pH measurement; directly traceable to primary reference material from NIST/PTB pH(S)=1.68₁ (25°C) (DIN 19266) CertiPUR®
碳酸氢钠/碳酸钠 certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)=10.01₄ (25°C) (DIN 19266) CertiPUR®
酒石酸氢钾 certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)= 3.63₉ (25°C) (DIN 19266) CertiPUR®