420 Stainless Steel Factory – National Certified Reference Material (NCRM) – Shandong Institute of Metallurgical Science

Short Description:

Product Detail

Product Tags

Feedback (2)

With our leading technology as well as our spirit of innovation,mutual cooperation, benefits and development, we will build a prosperous future together with your esteemed company for Primary Reference Standard , Crm Software , Chemical Analysis , For more information, please send email to us. We are looking forwards the opportunity to service you.

420 Stainless Steel Factory – National Certified Reference Material (NCRM) – Shandong Institute of Metallurgical Science Detail:

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<F_α, 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.

Product detail pictures:

Related Product Guide:

Our firm has been concentrating on brand strategy. Customers' satisfaction is our best advertising. We also offer OEM provider for 420 Stainless Steel Factory – National Certified Reference Material (NCRM) – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Marseille, Portugal, South Korea, Now we are sincerely consider to grant brand agent in different areas and our agents' maximum margin of profit is the most important thing we care about. Welcome all of the friends and customers to join us. We are ready to share win-win corporation.

400 Series Stainless Steel

904l Stainless Steel

Bituminous Coal Smithing Coal

Certified Reference Materials

Chemistry Reference Materials

Lignite Anthracite

Nist Standard Reference Materials

Optical Crm

Stainless Steel Nickel

Tungsten Steel

The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.