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Methyl tin standard CAS: 993-16-8 Methyl tin trichloride standard
Dipropyltin standard CAS: 867-36-7 Di-n-propyl dichlorotin
Polyphenylene ether (poly (2,6-dimethyl-1,4-phenyl ether) - MPPO (item number: M)
Domestic fully automatic laboratory bottle washing machine SPCC-220E
Hash COD reagent, ammonia nitrogen reagent, etc
US Hash HACH item number 004518 special offer
SPCC-R Vertical Ultra Pure Water Machine
Dissolver 6B-24 Type 6B-30 Type 6B-6C Type
Lovibond COD reagent ET99955 at special price in Lovibond, Germany
Oppson Oppack Oceanpak HPLC Acetonitrile Chromatography Reagent
SPCC-220E Laboratory Bottle Washing Machine
COD analyzer 6B-200A type 6B -200B type
Oppson Oppack Oceanpak HPLC Methanol Chromatography Reagent
DHNUP standard CAS No.68515-42-4 (item number:
Strem-5g-tetraethylborate sodium at a 30% discount