瑞士Hamilton公司的DURACAL Buffer pH缓冲液可确保常温下5年的保质期,精度达0.01pH,碱性缓冲液即使长时间暴露在空气中也不会变质。每一瓶Hamilton的DURACAL Buffer pH缓冲液都具有可追溯性,可出具德国DKD的认证证书。*特的包装设计,使用时只需要轻轻挤压瓶身,缓冲液会通过单向阀流入校验杯中,电极可放入校验杯中进行校验,一次校验的用量只需要15 ml,且每次使用的都是新鲜的缓冲液,其余的不会受到任何的污染。 hamilton缓冲溶液订货信息: Part # Ref pH Value pH Accuracy Stability Months (after date of manufacturing) Certificate Package 238271 1.09 ± 0.02 pH 60 Hamilton 500 mL 238272 1.68 ± 0.02 pH 60 Hamilton 500 mL 238273 2 ± 0.02 pH 60 Hamilton 500mL 238274 3.06 ± 0.02 pH 60 Hamilton 500mL 238194 4.01 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 10L 238217 4.01 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 500mL 238317 4.01 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 250mL 238332 4.01 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 5L 238895 4.01 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 990L 238917 4.01 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 3x500mL 238924 4.01/7.00/10.01 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 500mL/each 238922 4.01/7.00/9.21 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 500mL/each 238275 5 ± 0.02 pH 60 Hamilton 500mL 238276 6 ± 0.02 pH 60 Hamilton 500mL 238188 7 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 10L 238218 7 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 500mL 238318 7 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 250mL 238333 7 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 5L 238896 7 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 990L 238918 7 ± 0.01 / ± 0.02 pH ± 0.01 pH: 24 / ± 0.02 pH: 60 DAkkS 3x500mL 238277 8 ± 0.02 pH 60 Hamilton 500mL 238216 9.21 ± 0.02 pH 60 DAkkS 10L 238219 9.21 ± 0.02 pH 60 DAkkS 500mL 238319 9.21 ± 0.02 pH 60 DAkkS 250mL 238897 9.21 ± 0.02 pH 60 DAkkS 990L 238919 9.21 ± 0.02 pH 60 DAkkS 3x500mL 238187 10.01 ± 0.02 pH 60 DAkkS 10 L 238223 10.01 ± 0.02 pH 60 DAkkS 500mL 238321 10.01 ± 0.02 pH 60 DAkkS 250mL 238898 10.01 ± 0.02 pH 60 DAkkS 990L 238923 10.01 ± 0.02 pH 60 DAkkS 3x500mL 238278 11 ± 0.05 pH 24 Hamilton 500mL 238279 12 ± 0.05 pH 24 Hamilton 500mL 精度:0.01pH,保质期:五年,经DKD,PTB和NIST认证。