अश्रु गैस

ashru gais athava 'aansoo gais' (aangrezi: Tear gas) ek hathiyar ke roop mean prayog ki jane vali gais hai. aniyantrit tatha upadrav kar rahi bhi d ko niyantrit karane ke lie ashru gais ka upayog kiya jata hai. halaanki ashru gais chho dane ke bad aankh mean tho di jalan hoti hai, lekin pani se dhone ke bad yah jalan turant samapt ho jati hai.

• jab ashru gais aankhoan ke sampark mean ati hai to k aaurniya ke snayu uttejit ho jate haian, jisase aankh se aansoo nikalane lagata hai, dard hota hai aur aandhapan bhi ho sakata hai.
• 'kloropikrin' ek jaharila rasayan hai, jisaka rasayanik sootr CCl₃NO₂ hai. yah ashru sravak hai aur tvacha tatha shvasan tantr ke lie bhi hanikarak hai. 3 se 30 sekand tak 0.3 se 0.37 pipiem kloropikrin ke sampark mean ane se ashru-srav tatha aankhoan mean dard hone lagata hai. prabal ashru sravak hone ke karan kloropikrin ka prayog ashru gais ke roop mean hota hai.
• pramukh ashrukar gaisean haian- OC, CS, CR, CN (phenyasil kloraid), bromoesiton, jailil bromaid tatha sinh-propenethial-es-aksaid

panne ki pragati avastha

adhar

prarambhik

madhyamik

poornata

shodh