Buffer solution ( 缓冲液 )

产品名称：Buffer solution ( 缓冲液 )
产品货号：1094341000
产品包装：Plastic bottle
产品规格： 1 l

产品信息
HS Code 3822 00 00
化学及物理数据
Solubility (20 °C) soluble
Melting point -1 °C
Density 1.0 g/cm3 (20 °C)
pH value 3.0 (H2O, 20 °C)
Boiling point 101 °C
Vapor pressure 23 hPa (20 °C)
**标示
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 28
Aqueous solutions: Container D.
分类
pH-value (20 °C) 2.99 - 3.01
Measured with a combined glass electrode after 5-point calibration according to DIN 19268 (with an average measurem ent uncertainty +/-0.01) with ref.buffer solutions according to DIN 19266,prepared with primary reference materials at the accredited laboratory(DIN EN ISO/IEC 17025) DKD-K-14301.
Deviations of pH (Delta pH) at various temperatures:
(0 °C) + 0.05
(5 °C) + 0.05
(10 °C) + 0.03
(15 °C) + 0.01
(20 °C) +/- 0
(25 °C) +/- 0
(30 °C) +/- 0
(35 °C) +/- 0
(40 °C) - 0.02
(50 °C) - 0.03
Traceable to primary reference materials from: NIST 189c, 188, 185h, 186 Ig, 186IIg, 187e PTB OX-179/10,TA-01/06,PHT-150/08,PHO-155/08,BO-148/08 NIST: National Institute of Standards and Technology PTB: Physikalisch-Technische Bundesanstalt

关 键 字：Buffer solution ( 缓冲液 )
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