certiPUR®緩沖溶液都可以溯源到NIST和PTB的標(biāo)準(zhǔn)物質(zhì)。它們在默克自己獨(dú)立的校準(zhǔn)實(shí)驗(yàn)室采用符合電極和5點(diǎn)校準(zhǔn)法（依據(jù)DIN19628方法）測定，配置標(biāo)準(zhǔn)緩沖溶液所有的原來依據(jù)DIN19266標(biāo)準(zhǔn)，誤差大值是±0.015個(gè)PH單位（PH10及以上：大±0.02個(gè)PH單位）。

產(chǎn)品料號 產(chǎn)品貨號 *產(chǎn)品名稱 *產(chǎn)品規(guī)格 ME1094321000 1.09432.1000 緩沖液pH 1.00 1L/瓶 ME1094331000 1.09433.1000 緩沖液pH 2.00  1L/瓶 ME1094334000 1.09433.4000 緩沖液pH 2.00  4L/瓶 ME1094339010 1.09433.9010 緩沖液pH 2.00 10L/桶 ME1094341000 1.09434.1000 緩沖液pH 3.00  1L/瓶 ME1094351000 1.09435.1000 緩沖液pH 4.00  1L/瓶 ME1094354000 1.09435.4000 緩沖液pH 4.00  4L/瓶 ME1094359010 1.09435.9010 緩沖液pH 4.00  10L/桶 ME1078271000 1.07827.1000 緩沖液pH 4.66 1L/瓶 ME1094361000 1.09436.1000 緩沖液pH 5.0 1L/瓶 ME1094371000 1.09437.1000 緩沖液pH 6.0 1L/瓶 ME1094374000 1.09437.4000 緩沖液pH 6.0 4L/瓶 ME1072941000 1.07294.1000 緩沖液pH 6.88  1L/瓶 ME1094391000 1.09439.1000 緩沖液pH 7.00  1L/瓶 ME1094394000 1.09439.4000 緩沖液pH 7.00  4L/瓶 ME1094399010 1.09439.9010 緩沖液pH 7.00  10L/桶 ME1094601000 1.09460.1000 緩沖液pH 8.00  1L/瓶 ME1094611000 1.09461.1000 緩沖液pH 9.00  1L/瓶 ME1094614000 1.09461.4000 緩沖液pH 9.00  4L/瓶 ME1094619010 1.09461.9010 緩沖液pH 9.00  10L/桶 ME1016451000 1.01645.1000 緩沖液pH 9.22 1L/瓶 ME1094381000 1.09438.1000 緩沖液pH 10.0 1L/瓶 ME1094384000 1.09438.4000 緩沖液pH 10.0 4L/瓶 ME1094389010 1.09438.9010 緩沖液pH 10.0 10L/桶 ME1094621000 1.09462.1000 緩沖液pH 11.0 1L/瓶 ME1990220001 1.99022.0001 緩沖液pH 12.0 30 X 30 ML ME1990224000 1.99022.4000 緩沖液pH 12.0 4L/瓶