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QuaternaryAmmoniumCompoundsMethod:colorimetricwithteststrips10-25-50-100-250-500mg/lMerckoquant®
NitrateTestMethod:photometric,DMP0.10-25.0mg/lNO3-N0.4-110.7mg/lNO3ˉSpectroquant®
IC,DUAL,BIT
CIRCUITBREAKER,2POLE,10AMPS
ChlorineTestReagentCl2-1Aquamerck®
PLATE,SLIDER
N,N-二乙基-对苯二硫酸铵GRforanalysis
OutletBoxCover
Kit25mLPiston/CylinderforABU9x
硫酸汞80g/linpotassiumdichromatesolutionc(KCrO)=0.02mol/lacidifiedwithsulfuricacidforCODdetermination