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Potassium hydrogen tartrate

产品编号:4060127
规格:certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 3.639 / pH(S) = 3.557 (25°C) Certipur®
CAS NO:868-14-4
包装规格:25 G
产品类别:进口试剂
品牌:Supelco
优惠价:立即咨询
产品编号包装单位单价(元)国内现货国外库存询价单
406012725 G2000
产品别名

868-14-4

Potassium hydrogen tartrate

Potassium acid tartrate

Monopotassium tartrate

KHT

Potassium bitartrate

基本信息
Empirical Formula【经验(实验)分子式】
C4H5KO6
Molecular weight
188.18
MDL number
MFCD00065392
EC Index Number【EC索引号】
212-769-1
General description【一般描述】
Certipur® certified secondary standard reference buffers are used to precisely calibrate and monitor pH measurement instruments and buffer solutions. They are quality controlled and qualified in our ISO/IEC 17025 and 17034 accredited calibration laboratories against certified primary standard reference materials (SRM) in compliance with DIN 19266, IUPAC, NIST and Ph. Eur. Certipur® reference materials offer maximum accuracy, reliability and convenience and help avoid costly repeat analyses.
Application【应用】
Potassium hydrogen tartrate [pH(S) = 3.639 / pH(S) = 3.557 (25 ℃)] is a certified secondary standard reference buffer used as a calibration buffer standard for pH instruments or pH electrodes.
Features and Benefits【特点和优势】
  • The product is delivered with a comprehensive, batch-specific Certificate of Analysis showing relevant data for the quality management system.
  • The pH value of this Certipur® buffer solution is measured using differential potentiometry with two platinum hydrogen electrodes against NIST & PTB primary SRMs [pH(S) = 3.639 / pH(S) = 3.557 (25 ℃)].
  • It is a Certified Reference Material (CRM) offered in neat format.
  • Intended for extremely precise calibration, qualification and monitoring of pH instruments and for testing other buffer solutions.
Analysis Note【分析说明】
pH-value (25 °C): 3.634 - 3.640
Identity: passes test
Legal Information【法律信息】
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
产品性质
Quality Level【质量水平】
300
grade【等级】
certified reference material
agency
complies with DIN 19266
product line【产品线】
Certipur®
pH【pH值(酸碱度)】
3.4-3.7 (20 ℃ in H2O, saturated solution)
mp
250 ℃ (decomposition)
solubility【溶解性】
5.7 g/L
bulk density【堆积密度】
720 kg/m3
application(s)
environmental
food and beverages
general analytical
industrial qc
pharmaceutical
format【格式】
neat
storage temp.【储存温度】
15-25℃
InChI
1S/C4H6O6.K/c5-1(3(7)8)2(6)4(9)10;/h1-2,5-6H,(H,7,8)(H,9,10);/q;+1/p-1/t1-,2-;/m1./s1
InChI key
KYKNRZGSIGMXFH-ZVGUSBNCSA-M
安全信息
Storage Class Code【储存分类代码】
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)【闪点(F)】
410.0 °F
Flash Point(C)【闪点(C)】
210 ℃
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