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Buffer solution

产品编号:4058375
规格:(citric acid/sodium hydroxide), traceable to SRM from NIST and PTB pH 6.00 (20°C) Certipur®
包装规格:1 L,4 L
产品类别:进口试剂
品牌:Supelco
优惠价:立即咨询
产品价格
产品编号包装单位单价(元)国内现货国外库存询价单
40583751 L1190
40583754 L2470
产品性质
Quality Level【质量水平】
300
grade【等级】
certified reference material
product line【产品线】
Certipur®
pH【pH值(酸碱度)】
6.0 (25 ℃ in H2O)
density
1.01 g/cm3 at 20 ℃
application(s)
environmental
food and beverages
general analytical
industrial qc
pharmaceutical
format【格式】
mixture
storage temp.【储存温度】
15-25℃
基本信息
General description【一般描述】
The buffer solution (citric acid/sodium hydroxide) is gravimetrically prepared using high-quality reagents in high-purity water. It is quality controlled and qualified in an ISO/IEC 17025 accredited calibration lab. Its pH value of 6.00 at 20℃ is measured with a combined glass electrode following a 5-point calibration method, according to DIN 19268, against reference buffer solutions as per DIN 19266. The label on the product follows ISO Guide 31 and contains information on order number, article description, lot number, expiry date and safety data.
Application【应用】
The citric acid/sodium hydroxide certified buffer solution is used for the calibration, qualification, and monitoring of pH measuring instruments in various analytical procedures.
Features and Benefits【特点和优势】
  • Ready-to-use solution subjected to comprehensive stability studies in accordance with ISO Guide 35
  • Available in a sealed bottle and the innovative Titripac® packaging for positive environmental impact due to reduced waste generation
  • Long-lasting with a shelf life of 3 years
  • Accompanied with a detailed and batch-specific certificate of analysis (CoA) for an effective audit
  • Measured and qualified in an ISO/IEC 17025 and ISO 17034 accredited laboratory
  • Traceable to SRMs from NIST and primary certified reference standards from PTB
Legal Information【法律信息】
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
Titripac is a registered trademark of Merck KGaA, Darmstadt, Germany
安全信息
Storage Class Code【储存分类代码】
12 - Non Combustible Liquids
WGK
WGK 1
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