[NIST] Potassium Hydrogen Phthalate Acidimetric Primary Standard

어스바이오는 NIST 전문 취급점으로서 모든 제품을 전문적으로 취급 및 공급하고 있습니다.
NIST의 Chemical Composition을 소개드립니다.
 

 

Product Description:

This Standard Reference Material (SRM) is intended for use as an acidimetric primary standard. SRM 84L consists of highly purified potassium hydrogen phthalate (KHP), KHC8H4O4. A unit of SRM 84L is supplied as crystalline material in a 60 g unit.

Product Information:

SKU: 841
Availability: Available for Purchase
Unit of Issue: 60 g

Product Expiration Date:
The certified values delivered by SRM 84L are valid within the measurement uncertainty specified until 01 April 2029. The certified values are nullified if the material is stored or used improperly, damaged, contaminated, or otherwise modified.

Storage Temperature:
This SRM should be stored in its original bottle at room temperature. It must be tightly recapped after use and protected from moisture, ammonia, and light

Use:
Tests indicate that this SRM is homogeneous within the uncertainty limits for test portions with a mass greater than 300 mg. Test portions with a mass less than 300 mg are not recommended, due to possible inhomogeneity.
 

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