Polysaccharides, Proteins, and Phytoplankton Fragments: Four Chemically Distinct Types of Marine Primary Organic Aerosol Classified by Single Particle Spectromicroscopy

Table 2

Summary of observed marine particle types in southeast Pacific and Arctic samples.

Type	No. of Marine Particles
	Pacific	Arctic
Polysaccharide
with carboxylic acid (PsI)	0	43
without carboxylic acid (PsII)	7	0
Protein	2	4
Phytoplankton	19	0
Total	28	47