close
    1. Home
      2. ›
    2. Uncategorized
      3. ›
    3. In an organic chemistry laboratory, during a practical work, from 9 to 13 h, has shown that there is a consumption of about 3 litres of 2-butanone (methylethylketone). Since there is a waste management program and the presence of this product is not detected, it is assumed that consumption of this amount is due to evaporation. Calculate the flow rate of ventilation required to maintain the 2-butanone concentration in air below the OEL value (200 ppm) during the practical work. The laboratory ha
    In an organic chemistry laboratory, during a practical work, from 9 to 13 h, has shown that there is a consumption of about 3 litres of 2-butanone (methylethylketone). Since there is a waste management program and the presence of this product is not detected, it is assumed that consumption of this amount is due to evaporation. Calculate the flow rate of ventilation required to maintain the 2-butanone concentration in air below the OEL value (200 ppm) during the practical work. The laboratory ha

    Answer this
    0  Views: 1063 Answers: 2 Posted: 13 years ago
    Tags: ventilation risk
    Comment this question

      2 Answers

      A 22inch exhaust fan with 5 blades turning at 2850 rpm's.

      9 years ago. Rating: 2
      Comment this answer

        This Longines lot 122 of the January Fine and Decorative Arts Auction by Quinn's Auctions Galleries on link Friday January 24th 2025 at 10 am link ET. The high bid at the time of publication is 900. Click link here to view the lot.

        3 months ago. Rating: 0
        Comment this answer



          Did this answer your question? If not, then ask a new question.

          Top contributors in Uncategorized category

           
          ROMOS
          Answers: 18061 / Questions: 154
          Karma: 1102K
           
          Colleen
          Answers: 47269 / Questions: 115
          Karma: 953K
           
          country bumpkin
          Answers: 11322 / Questions: 160
          Karma: 838K
           
          Benthere
          Answers: 2392 / Questions: 30
          Karma: 760K
          > Top contributors chart

          Unanswered Questions

          99OK – Cổng game đổi thưởng uy tín
          Answers: 0 Views: 9 Rating: 0
          hay88aukcom
          Answers: 0 Views: 9 Rating: 0
          FB88 – Cá cược thể thao chuyên nghiệp, thưởng cực lớn cho thành viên mới
          Answers: 0 Views: 15 Rating: 0
          Where are the best places to purchase a villa in Amravati?
          Answers: 0 Views: 12 Rating: 0
          Why is investing in a villa for sale in Amravati a good idea?
          Answers: 0 Views: 12 Rating: 0
          Why is investing in a villa for sale in Amravati a good idea?
          Answers: 0 Views: 8 Rating: 0
          tradelockerbrokers
          Answers: 0 Views: 9 Rating: 0
          hz88vegasvn
          Answers: 0 Views: 15 Rating: 0
          > More questions...
          515681
          questions
          752507
          answers
          859040
          users