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面议pH 9.00默克Merck pH标准缓冲溶液1.09408.1000Merck,COD测试试剂,1.09773.0001Merck,COD测试试剂,1.14691.0001Merck,1.18753.0001,cod预装试剂Merck,1.14895.0001,cod预装试剂,Merck,1.14560.0001,化学需氧量测试预装试剂由上海谷雨环保科技有限公司供应,原装,*。价格货期请咨询上海谷雨环保业务部。
产品目录编号:pH 9.00默克Merck pH标准缓冲溶液1.09408.1000
量程:pH 9.00
库存情况:有货
包装:塑胶瓶
数量包装:1L
理化信息 | |
---|---|
沸点 | 100 °C (1013 hPa) |
密度 | 1.00 g/cm3 (20 °C) |
pH值 | 9.0 (H₂O, 25 °C) |
pH 9.001.09408.1000
规格 | |
---|---|
pH-value (25 °C) | 8.99 - 9.01 |
Measured with a combined glass electrode after 5-point calibration according to DIN 19268 (expanded measurement uncertainty +/-0.01) with ref.buffer solutions according to DIN 19266, prepared with primary reference materials, at the accredited laboratory according to DIN EN ISO/IEC 17025. | |
Diviations of pH (delta pH) at varius temperatures: | |
(5 °C) | + 0.22 |
(10 °C) | + 0.16 |
(15 °C) | + 0.10 |
(20 °C) | + 0.05 |
(25 °C) | +/- 0 |
(30 °C) | - 0.04 |
(35 °C) | - 0.07 |
(40 °C) | - 0.11 |
(45 °C) | - 0.14 |
(50 °C) | - 0.16 |
Traceable to primary reference materials from: NIST 189c, 188, 185h, 186 Ig, 186IIg, 187e PTB OX-179/10,TA-212/11,PHT-232/12,PHO-243/12,BO-211/11 NIST: National Institute of Standards and Technology PTB: Physikalisch-Technische Bundesanstalt |