Table 1 Particle classification, analyzed particle number and percentage from different materials in smoldering/flaming phase.

Material	Combustion phase	Particle type	Particle number	Percentage
Maize straw	smoldering	OM-K	141	100
	flaming	OM-K	57	53
	flaming	soot-OM-K	50	47
Wheat straw	smoldering + flaming^a	OM	35	16
		OM-K	124	57
		soot-OM-K	60	27
Cotton straw	smoldering	OM	71	100
	flaming	OM-K	42	70
	flaming	soot-OM-K	18	30
Wild grass	smoldering	OM	102	100
	flaming	OM	26	45
		soot-OM	24	41
		Cl-rich-OM/soot	8	14
Common reeds	flaming	OM-K^b	/	/
Apple wood	smoldering	OM	115	100
	flaming	OM-K	70	68
	flaming	soot-OM-K	33	32
	burnout^c	soot-OM	29	100
Cypress wood	flaming	soot-OM	177	100
Pine wood	flaming	OM-K	84	100
Pear wood	flaming	soot	66	100
Bamboo	flaming	soot	64	46
Bamboo	flaming	soot-OM-K	75	54
Cardboard	flaming	OM	153	91
Cardboard	flaming	S-rich-OM	15	9
Foam boxes	flaming	soot	106	100
Waste rubber tires	flaming	soot-OM	55	100
Plastic bottles/bags	flaming	soot-OM	105	100
Printed circuit boards	flaming	OM-Br	104	71
Printed circuit boards	flaming	OM-Br-Pb/P/Zn	42	29
Copper-core cables	flaming	OM-Br-soot	83	100

^aThe combustion phases were mixed between smoldering and flaming phases, we present smoldering + flaming here.
^bThe particle number of common reeds cannot be counted because the gel-like OM were connected together.
^cBurnout refers to the end of the flaming phase.

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