Хімічні технології Jobs

Chemical engineering involves the design and maintenance of processes involving biological or chemical transformations used in large-scale manufacturing systems. If your business needs help with chemical engineering tasks, you can outsource a part of the tasks to expert chemical engineers who also do freelancing. You can outsource your chemical engineering tasks to experienced freelancers using this site. Simply post your job today! Найняти Chemical Engineers

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    21 робіт знайдено, ціни вказані в USD
    Chemistry_melting_point 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    WE need to compare menting points of : CH3OCH3, CH3CH2OH, CH3CH2CH2CH3, CH3CHO, CH2Cl2. Which would you expect to have the highest boiling point? and give reasons

    $2 / hr (Avg Bid)
    $2 / hr Сер. заявка
    1 заявки
    need some knowledge based on food preservation 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    need some knowledge based on food preservation

    $24 (Avg Bid)
    $24 Сер. заявка
    2 заявки

    Hello there, I would like to hire a professional chemist in order to understand two things better. Contact me if you have the necessary skills, thanks for your attention

    $35 (Avg Bid)
    $35 Сер. заявка
    6 заявки
    Physiology 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Someone who is highly strong with physiology please contact me.

    $21 (Avg Bid)
    $21 Сер. заявка
    34 заявки
    mechanical engineering 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    I need a specialist who can make a life model of eQuest software model. Please bid if you can do it.

    $39 (Avg Bid)
    $39 Сер. заявка
    10 заявки
    Replicate a chemical recipe of House Keeping product -- 2 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    I would like to replicate a recipe of a House Keeping product which is a liquid. Objective will be to find what is used to make it and then replicate using non alcohol, paraben etc harmful stuff. I have a sample solution and would need a Bachelor of Pharma expertise to decipher the chemical composition.

    $40 (Avg Bid)
    $40 Сер. заявка
    2 заявки
    scientific data on ways to reduce gold 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    You need to have access to scientific publications for this job. Please confirm you have access in your proposal. I need to find the most efficient way to reduce gold from an acidic solution of thiourea. You need to find for me a way that give yield close to 100% (around 98%). If you already have the solution please advise me that you already have an answer in your proposal and I will hire you. Yo...

    $17 (Avg Bid)
    $17 Сер. заявка
    4 заявки
    Boric acid questions 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    I'd like to discuss the properties and uses of boric acid. I have specific questions and would love to speak with an expert in this field. I will pay extra for good work and response.

    $31 (Avg Bid)
    $31 Сер. заявка
    11 заявки
    $19 Сер. заявка
    37 заявки

    I need a chemical engineer to teach me how to assurance the quality of fragrance oil / essential oil / perfumes / aroma chemical and how to quality control using GC-MS, I already have the machine and I know how to analyse the sample

    $50 / hr (Avg Bid)
    $50 / hr Сер. заявка
    6 заявки

    We have rights to a small form factor redeployable plant that is used to convert plastics into oil via depolymerisation / pyrolysis. There are some specific local market conditions we need to account for and are looking to undertake post processing to improve flash point of output. We need a chemical engineer to provide some independent consulting for the above plus general technical advice.

    $17 / hr (Avg Bid)
    $17 / hr Сер. заявка
    10 заявки
    Chemical formulation air freshener water base 2 дні(-в) left
    ПІДТВЕРДЖЕНО

    I have a certain chemical formulation, need to edit and make it stronger for fabrics Project cost 50-100 dollars

    $92 (Avg Bid)
    $92 Сер. заявка
    7 заявки
    Nuclear Reactor Theory - 2 Short Tasks 1 день left
    ПІДТВЕРДЖЕНО

    Hi, I have 2 very simple tasks, that have to do with Nuclear Reactor. Hence, knowledge in the subject is essential. This involves both theory, and some basic calculation. The task would barely take 1hr to complete if the person is aware of the subject. Please do get back to me if interested. Thanks.

    $22 (Avg Bid)
    $22 Сер. заявка
    15 заявки
    Studies physics 1 день left

    Nothing, simple need study materials about physics for easily understanding of theorems and concepts

    $23 (Avg Bid)
    $23 Сер. заявка
    23 заявки

    I want to make rubber out of natural latex I want to research in making rubber bands

    $618 (Avg Bid)
    $618 Сер. заявка
    8 заявки
    $19 Сер. заявка
    20 заявки
    chemical formula for product 2 годин(-и) left

    Trying to figure out a chemical formula for Plastic waste and sand and Silicon Dioxide, Tricalcium aluminate ,Dicalcium silicate to create a strong brick

    $164 (Avg Bid)
    $164 Сер. заявка
    9 заявки
    Trophy icon Water Lab needs a logo design 2 дні(-в) left

    "H2O LAB" is an ISO-certified laboratories carrying out collaborative tests to measure concentration of the constituents in quantity for characterization of water for different uses with water quality characterization will often select parameters to be measured based on experience and intuition, we need a logo design for our labs which reflects our activities nature.

    $60 (Avg Bid)
    $60
    98 робіт