Titanium solution 10 000 ppm,

Methyl Orange

Sodium hydroxide

PBS PHOSPHATE BUFFER SALI 10X

Isopropanol，preparation grade

Ethylenediaminetetraacetic aci

Platinum

Devarda's alloy silylation rea

Magnesium acetate tetrahydrate

Potassium solution 1000 ppm

Vancomycin hydrochloride