Buffer Solution ( 缓冲剂 )

产品名称：Buffer Solution ( 缓冲剂 )
产品货号：1990220001,1990224000
产品包装：Fibre case/Titripac PE/Alu
产品规格： 30 beutel/4 l

产品信息
HS Code 3822 00 00
**标示
Storage class 10 - 13 Other liquids and solids
WGK NWG not water endangering
分类
pH-value (25 °C) 11.98 - 12.02
Measured with a combined glass electrode after 5-point calibration according to DIN 19268 (with an average measurem ent uncertainty +/- 0.02)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:
(5 °C) + 0.65
(10 °C) + 0.46
(15 °C) + 0.30
(20 °C) + 0.15
(25 °C) +/- 0
(30 °C) - 0.14
(35 °C) - 0.30
(40 °C) - 0.51
(45 °C) - 0.68
(50 °C) - 0.83
Traceable to primary reference materials from: NIST 189b, 188, 185h, 186Ig, 186IIg, 187e PTB OX-01/06,TA-01/06,PHT-150/08,PHO-155/08,BO-148/08 NIST: National Instidute of Standarts and Technology PTB: Physikalisch-Technische Bundesanstalt

关 键 字：Buffer Solution ( 缓冲剂 )
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