网页Home » News » COD test tube » Alibaba chemical oxygen demand tubes supplier from Turkey Alibaba chemical oxygen demand tubes supplier from Turkey Material: USP Type 1, Class A, 33 Borosilicate Glass Application: Water analysis Qty/Pack: 25pcs/pack or 100pcs/pack Dimensions: 16 x 100mm Neck Diameter: 16mm Volume: 12ml Payment: T/T