ammonia
analysis
background
bench
blur background
bonding
boric acid
chemical
chemistry
clear solution
closeup
color
complex
compound
concentration
conical
container
determination
development
equipment
erlenmeyer
experiment
flask
forming
glass
glassware
green
lab
laboratory
liquid
liquor
medical
medicine
pharmaceutical
purple
range
research
science
scientific
selective focus
solution
solvent
table
technical
technique
vessel
volume
water
white
yellow
定額
The Erlenmeyer Conical flask on bench laboratory, with green and purple solvent forming reaction between boric acid and ammonia solution analysis concentration in wastewater sample. Selective focus.の素材 [FY310159648316]
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