Buffer solution ( 缓冲液 )

产品名称：Buffer solution ( 缓冲液 )
产品货号：1094391000,1094394000,1094399010
产品包装：Plastic bottle/Titripac PE/Alu/Titripac PE/Alu
产品规格： 1 l/4 l/10 l

产品信息
HS Code 3822 00 00
化学及物理数据
Solubility (20 °C) soluble
Melting point -5 °C
Density 1.01 g/cm3 (20 °C)
pH value 7.0 (H2O, 20 °C)
Boiling point 109 °C
**标示
Storage class 10 - 13 Other liquids and solids
WGK NWG not water endangering
Disposal 28
Aqueous solutions: Container D.
分类
pH-value (20 °C) 6.99 - 7.01
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 19266,prepared with primary reference materials at the accredited laboratory(DIN EN ISO/IEC 17025)DKD-K-14301.
Deviations of pH (ΔpH) at various temperatures:
(0 °C) + 0.13
(5 °C) + 0.07
(10 °C) + 0.05
(15 °C) + 0.02
(20 °C) +/- 0
(25 °C) - 0.02
(30 °C) - 0.02
(35 °C) - 0.04
(40 °C) - 0.05
(50 °C) - 0.05
Traceable to primary reference materials from: NIST 189c, 188, 185h, 186 Ig, 186 IIg, 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

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