企业性质授权代理商
入驻年限第5年
Highly precise standards with +/-0.01 pH accuracy. Presterilized and free of preservatives, these single-use buffers offer a 5-year shelf life. Each sealed glass ampoule contains 25 mL of solution.
WTW pH Buffer Ampoules, 4.00 and 7.00; 2 x 9 Ampoules Ea, and 50 mL 3M KCl