Trending Products China ISO Certified Reference Material  98%  1, 5-Dicaffeoylquinic Acid  30964-13-7 Standard Reagent

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Trending Products China ISO Certified Reference Material  98%  1, 5-Dicaffeoylquinic Acid  30964-13-7 Standard Reagent

Short Description:

Certified Reference Material of Benzoic Acid (Calorimetric Standard) The CRM can be used for calorific value measurement in electric power, coal, military industry, scientific research and other fields.


  • Code: GBW(E)136695
  • Batch Number: 2021-01
  • Product Detail

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    We always continually provide you with the most conscientious customer service, and the widest variety of designs and styles with finest materials. These efforts include the availability of customized designs with speed and dispatch for Trending Products China ISO Certified Reference Material  98%  1, 5-Dicaffeoylquinic Acid  30964-13-7 Standard Reagent, We wholeheartedly welcome shoppers all around the globe come to go to our manufacturing facility and have a win-win cooperation with us!
    We always continually provide you with the most conscientious customer service, and the widest variety of designs and styles with finest materials. These efforts include the availability of customized designs with speed and dispatch for 30964-13-7, China 1 5-Dicaffeoylquinic Acid, With a state-of-the-art thorough marketing feedback system and 300 skilled workers’ hard work, our company has developed all kinds of solutions ranging from high class, medium class to low class. This whole selection of fine items offers our customers different choices. Besides, our company sticks to high quality and reasonable price, and we also offer you good OEM services to many famous brands.

    The CRM is used for the verification/calibration of oxygen bomb calorimeter. It is also used for the evaluation and verification of accuracy of the analytical methods. The CRM can be used for calorific value measurement in electric power, coal, military industry, scientific research and other fields.

    Benzoic acid is purified by distillation and the purity is 99.96%. It is made into about 0.5g tablets and packed in clean plastic bottles.

    Table 1. Certified Values for Benzoic Acid

    Number

    Name

    Certified Value* (J/g)

    Uncertainty (J/g) (k=2)

    GBW(E)136695

    Benzoic Acid

    26456

    25

    The bomb calorimeter is used to make these measurements.

    Twenty bottles are randomly selected to determine the measurement order. An analysis specimen is selected from each bottle, and the method is the bomb calorimeter. Variance (F) test is used to evaluate the uniformity of the CRM, when the F<Fα, sample are homogeneous.

    Expiration of certification: The certification of this CRM is valid until February 1, 2031.

    The certified reference material is packed in plastic bottles with plastic covers. The net weight is about 35g each bottle. It is suggested to keep dryness when stored.We always continually provide you with the most conscientious customer service, and the widest variety of designs and styles with finest materials. These efforts include the availability of customized designs with speed and dispatch for Trending Products China ISO Certified Reference Material  98%  1, 5-Dicaffeoylquinic Acid  30964-13-7 Standard Reagent, We wholeheartedly welcome shoppers all around the globe come to go to our manufacturing facility and have a win-win cooperation with us!
    Trending Products China 1 5-Dicaffeoylquinic Acid, 30964-13-7, With a state-of-the-art thorough marketing feedback system and 300 skilled workers’ hard work, our company has developed all kinds of solutions ranging from high class, medium class to low class. This whole selection of fine items offers our customers different choices. Besides, our company sticks to high quality and reasonable price, and we also offer you good OEM services to many famous brands.


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