Standard material for physical properties and chemical composition analysis of bituminous coal

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Overview

The products sold by the center can be widely applied in many industries such as petroleum, chemical, metallurgy, geology and mining, food hygiene, environmental protection, scientific research, etc. The main products operated by the center include various levels of chemical reagents, standard substances approved by the State Administration of Technical Supervision, laboratory equipment, analytical instruments, and spare parts. And provide technical consultation.

Product Details

Standard material for physical properties and chemical composition analysis of bituminous coal

[Product ID number] 47206

GBW11101X

Standard material for physical properties and chemical composition analysis of bituminous coal

50g

【 Product Category 】 National Standard Reference Materials>>Coal and Petroleum

Characteristic form: Solid state

Medium matrix: coal

定值日期：2000年12月

Main purpose: Calibration of instruments and devices; Evaluation method; Work standards; Quality assurance/quality control; other

Storage conditions: Store in a cool and dry place

Attention: After use, tighten the bottle cap to prevent oxidation. Take a small sample of 50mg (for sulfur measurement) or 0.5g (for ash measurement)

Analysis method: Eisler's method

	standard value	uncertainty	unit
nitrogen	1.34	0.05	Quality score (10)^-2)
ash content	9.62	0.13	Quality score (10)^-2)
volatile matter	24.99	0.32	Quality score (10)^-2)
hydrogen	4.19	0.11	Quality score (10)^-2)
全硫	0.53	0.04	Quality score (10)^-2)
carbon	77.68	0.42	Quality score (10)^-2)
Heating value (MJ/kg)	31.16	0.17	Heating value (MJ/kg)
True relative density (20)^oC)	1.41	0.02	standard value

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