产品名称/型号PH校正液|PH缓冲液--Broadley-jamesPH校正液Broadley-james现推出来自里卡化学的PH校正液，每瓶500毫升***的PH值4,7,10的缓冲液，随瓶附带分析证书和PH温度计。Broadley-jamesnowcarriesbuffersoluti***fromRiccaecisionreferencebuffersofphvalues4,7and10are***ailablein500mLsizes.CertificatesofAnalysiswillbeincludedwitheachbottle.Thephtemperaturechartisonthelabel.)