Wholesale Bituminous Supplier – National Certified Reference Material (NCRM) – Shandong Institute of Metallurgical Science

Short Description:

Product Detail

Product Tags

Feedback (2)

It is a good way to enhance our products and solutions and repair. Our mission will be to build creative solutions to consumers with a great experience for Anthracite Coal For Forging , Black Anthracite Coal , Strongest Metal Alloy , With the eternal goal of "continuous quality improvement, customer satisfaction", we are sure that our product quality is stable and reliable and our products are best-selling at home and abroad.

Wholesale Bituminous Supplier – 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:

abide by the contract", conforms towards the market requirement, joins during the market competition by its good quality likewise as provides additional comprehensive and great services for customers to let them turn out to be big winner. The pursue of your enterprise, is the clients' fulfillment for Wholesale Bituminous Supplier – National Certified Reference Material (NCRM) – Shandong Institute of Metallurgical Science , The product will supply to all over the world, such as: Brisbane, Johannesburg, Melbourne, Since our establishment, we keep on improving our products and customer service. We are able to provide you with a wide range of high quality hair products at competitive prices. Also we can produce different hair products according to your samples. We insist on high quality and reasonable price. Except this, we provide best OEM service. We warmly welcome OEM orders and customers all over the world to cooperate with us for mutual development in the future.

316l Ss