34
K. Amrutha et al.
Table 2
(continued)
Sl. no Location
Type of
sample
Environmental
setting
Methodology adopted
Size range (mm)
Average microplastics
concentration
Polymer types
Reporting units
References
11
India
Salt
Coastal
Digital Microscope,
CMOS sensor digital
camera;
µ-FTIR, FTIR
Microscope
<5 mm
103–56 particles/kg
Polyester
PE, PET, PS, PA
Particles/kg
[112]
12
Rameswaram
Coral Island
Sediments
Coastal
Stereo zoom binocular
Microscope; ATR-FTIR
Micro, Meso, Macro 403 pieces
PP, PE, PS, NY, PVC
No. of pieces
[130]
13
Tuticorin
Fish
Marine
Stereo Microscope
(Coslab ZSM-111) FTIR
analysis
–
12 out of 40 fishes
PE, PP
–
Easwar
[68]
14
Kerala
Sediments
Beach
FTIR-ATR (Perkin ElmerSpectrum 2 with Spectrum
10 software); SEM
1–5 mm
70.15 items/kg (July
2017)
120.85 items/kg (May
2018)
PE, PP, PS, PCU
Items/kg
[3]
15
Puducherry
sediments
Beach
Zeiss Primo Star
microscope (40X); Raman
spectroscope
1–5 mm
72.03
± 19.16
items/100 g
PP, PE, PET, Others
Items/100 g
[29]
16
Chennai
Surface
waters
Packed
-drinking
water
Groundwater
Marine, Lake
Optical microscope 40
×
with digital camera
SEM-EDX; FTIR-ATR
<5 mm
66 particles
PET, PA
No: of particles
[36]
17
Chennai
Green
Mussels
Marine
DXR Raman microscope
(thermo scientific, USA;
40–80x), DXR Raman
spectroscopy
–
0.9
± 0.3
items/10 g to 3.2
± 3.2
items/10 g
PS
–
[80]
18
Tuticorin
Oysters
Marine
Stereomicroscope,
FTIR-ATR, SEM-EDX
0.005–5 mm
0.81
± 0.45 items/g
PE, PP, PA, PES, Others Items/g
[89]
19
Ganges River Sediments
Riverine
Microscope (Nikon
Eclipse Ci fitted with
camera Nikon DS-Fi2),
ATR-FTIR
<5 mm
107.57 to
409.86
items/kg
PET, PE, PP, PS
Items/kg
[105]
(continued)