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Hae materiae referentiae certificatae constant ex 16 exemplis carbonum cum diversis contentis sulphuris ad analyticas analyses carbonum adhibitis.Praeter sulphur, certificati sunt propter cinerem, materiam volatilem, valorem calorificum, carbonem, hydrogenium, nitrogenium et densitatem relativam verae.Omnia data dantur in tabula 1 .

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Quaelibet calculus aer exsiccatus erat, magnitudine minutus ad <0.2mm, homogenized et in singulas unitates diffusa redacta.

Certified Pretio

Table 1 Valores certificati et Incertae pro carbonibus Iulii-01-2021 ad Iunii -30-2022

GBW No.	Productio Batch	Certified Valorem & Uncertainty	Sulphur S_{t, d*}/%	Cineres A_d/%	Materia volatilis V_d/%	Crassa Calorific Valorem Q_{gr, d*}MJ/kg	Carbon* C_d/%	Consectetuer* H_d*/%	Nitrogen* N_d/%	Densitas vera relativa (20℃) *	Proprium Char Residuum *（CRC）	Type calculus
GBW11101	L	Certified Precium	0.45	10.53	20.17	31.96	79.24	4.22	1.36	1.40	6	Bituminous
GBW11101	L	Incerta	0.03	0.07	0.22	0.16	0.38	0.10	0.04	0.02	6	Bituminous
GBW11102	c	Certified Precium	1.59	9.70	34.48	30.17	73.46	4.65	1.36	1.41	5	Bituminous
GBW11102	c	Incerta	0.03	0.12	0.25	0.16	0.27	0.17	0.05	0.02	5	Bituminous
GBW11104	m	Certified Precium	1.03	17.57	8.07	27.77	74.71	2.26	0.84	1.69	2	anthracite
GBW11104	m	Incerta	0.02	0.12	0.20	0.11	0.22	0.10	0.04	0.03	2	anthracite
GBW11105	j	Certified Precium	1.74	16.86	7.86	27.98	74.73	2.37	0.98	1.67	2	anthracite
GBW11105	j	Incerta	0.03	0.14	0.19	0.15	0.27	0.07	0.03	0.02	2	anthracite
GBW11107	g	Certified Precium	0.81	9.34	30.53	31.03	76.17	4.58	1.37	1.39	6	Bituminous
GBW11107	g	Incerta	0.02	0.09	0.30	0.15	0.26	0.09	0.02	0.02	6	Bituminous
GBW11107	i	Certified Precium	0.82	9.05	30.54	31.12	76.32	4.54	1.38	1.40	6	Bituminous
GBW11107	i	Incerta	0.03	0.11	0.29	0.17	0.27	0.11	0.03	0.03	6	Bituminous
GBW11108	t	Certified Precium	1.91	13.33	32.97	28.34	69.55	4.39	1.19	1.45	5	Bituminous
GBW11108	t	Incerta	0.03	0.11	0.20	0.16	0.23	0.14	0.05	0.03	5	Bituminous
GBW11109	s	Certified Precium	2.83	31.30	29.21	21.82	53.18	3.66	0.93	1.62	5	Bituminous
GBW11109	s	Incerta	0.05	0.17	0.26	0.22	0.39	0.10	0.03	0.02	5	Bituminous
GBW11109	u	Certified Precium	2.57	30.89	28.26	22.24	54.04	3.72	0.91	1.62	6	Bituminous
GBW11109	u	Incerta	0.06	0.17	0.28	0.22	0.48	0.13	0.03	0.02	6	Bituminous
GBW11110	q	Certified Precium	4.35	28.92	20.47	22.91	56.99	3.23	0.94	1.66	4	Bituminous
GBW11110	q	Incerta	0.06	0.17	0.29	0.16	0.39	0.08	0.03	0.02	4	Bituminous
GBW11110	r	Certified Precium	4.13	33.96	24.35	20.70	51.00	3.25	0.99	1.72	4	Bituminous
GBW11110	r	Incerta	0.07	0.20	0.31	0.19	0.40	0.09	0.04	0.02	4	Bituminous
GBW11111	u	Certified Precium	1.73	15.72	23.54	29.26	72.07	4.14	1.18	1.45	6	Bituminous
GBW11111	u	Incerta	0.05	0.10	0.27	0.14	0.42	0.08	0.04	0.02	6	Bituminous
GBW11112	L	Certified Precium	2.15	22.09	9.55	25.64	68.65	2.30	0.87	1.73	2	anthracite
GBW11112	L	Incerta	0.06	0.13	0.31	0.15	0.39	0.09	0.04	0.02	2	anthracite
GBW11113	L	Certified Precium	3.42	16.18	11.99	28.68	72.56	3.28	1.03	1.53	2	anthracite
GBW11113	L	Incerta	0.05	0.12	0.27	0.15	0.42	0.08	0.04	0.02	2	anthracite
GBW11113	m	Certified Precium	3.37	16.06	12.10	28.68	72.51	3.31	1.03	1.53	2	anthracite
GBW11113	m	Incerta	0.06	0.12	0.30	0.17	0.35	0.07	0.04	0.02	2	anthracite
GBW11126	g	Certified Precium	0.27	9.49	8.14	32.21	83.28	3.16	1.15	1.47	2	anthracite
GBW11126	g	Incerta	0.02	0.12	0.19	0.10	0.28	0.06	0.04	0.01	2	anthracite

Nota: * Indicat scopos ad productionem proficiendi CNAS non esse

Homogeneitas test et stabilitas

Test homogeneitas in unitatibus diffusae fiebat per determinationem cineris et sulphuris.Minimum pondus specimen pro analysi sumptum est 1.0g (cinis) vel 0.05g (sulphur).Variatio analysis ostendit variabilitatem inter utres diversos non signanter diversum esse a variabilitate inter determinationes replicatas.

Convalidatio valorum certificatorum unus annus est.Certificatio singulis annis semel recognita valores certificati praestabitur in applicatione ab Instituto Shandong Scientiae Metallurgicae Co., Ltd.

De ratione methodorum

Characterizationis modorum utendi duo vel plures methodi accurationis demonstrabilis in 9 laboratorio competenti.

Item	Analysis methodo
Sulphur summa	GB/T 214-2007 Determinatio sulphuris totalis in calculo, Eschka methodus
Cinis et volatilis materia	GB/T 212-2008 Analysis proxima carbonis
Crassa calorificus Precium	GB/T 213-2008 Determinatio valoris calorificae carbonis
Carbon et Hydrogenium	GB/T 476-2008 Determinatio carbonis et hydrogenii in carbone
Nitrogen	GB/T 19927-2008 Determinatio nitrogenii in carbone
Vera densitas relativa	GB/T 217-2008 Determinatio densitatis relativae verae carbonis

Adsignatione bonorum valores et incertitudines

Certificatio analyses factae sunt per methodos Sinenses National Standard （GB） a pluribus qualificatis laboratorios.

Quod certified valorem expressum est ut X *_T±U, ubi X_Tmedium valorem et U est dubitatio dilatata (95% fiducia level).Dubium actu in tabula datum 1 concessionem habet pro deformitate exempli intra unum annum.

Analysis statistica et altiore directione et coordinatio mensurarum technicarum ad certificationem fiebat a Shandong Instituto Scientiae Metallurgicae Co., Ltd.

Metrological Traceability

Priusquam characterisation of 9 qualificata laboratoria, instrumenta et instrumenta adhibita verificentur vel calibrentur, et certificata referentia adhibeantur ad vigilantiam in characterizatione ad curandam pervestigationem materiae referentiae.

Sarcina, at ac Ritus

1) Hae materiae nuntiatae referuntur in utre fusco vitreo refertae.Singula pondera 50g.

2) Uter cum materia continendus est et in loco frigido et siccitate arcte reclusus et nisi cum opus est aperitur.

3) Omnes notitiae bases siccis expressae sunt.Humor (umor in analysi generali experimenti specimen) usus ad colligendas notitias in basi siccis determinatur secundum methodum analysis humoris in GB/T 212-2008 "Analysis proxima Coal".

4) Valores in tabula 1 huius libellum datae sunt quae in mense iulio-01-2021 pro CRM determinatae sunt.