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How To Simple DIY Example and Price Breakdown

Discussion in 'How To's and Guides Only' started by Horrand, Sep 16, 2018.

  1. Horrand

    Horrand Postman

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    How do you quantify the immeasurable amount of material on the syringe walls?

    I don't care if people mix volume, weight or whatever but scales are definitely more accurate.

    It's best if you just drip your 72mg nic straight into the eye like eyedrops. Or if you wear contacts just soak them overnight and you have a nice slow release all day.
     
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  3. zouzounaki

    zouzounaki Olympian

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    They are only more accurate if the scales themselves are accurate. Most cheap scales are not accurate. And the lower you go the less accurate they will be, calibrating them with a 10g weight doesn’t say anything about their accuracy at 0.1g.
     
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  4. Fuctifino

    Fuctifino Achiever

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    #103 Fuctifino, Nov 29, 2018
    Last edited: Nov 29, 2018
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  6. zouzounaki

    zouzounaki Olympian

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    The cheap ones aren’t very accurate, they’ll def not be accurate to 0.01g.
     
  7. RAPTOREX

    RAPTOREX Achiever

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    Why would you need any sort of needle, for this. I use syringes to measure, transfer and administers both drugs and nutrition, to my daughter daily, and have never found any necessity for any form of needle.
     
  8. RAPTOREX

    RAPTOREX Achiever

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    But only if you have expensive scales that are calibrated, again at high cost, at least twice a year, and keep them in a controlled enviroment.
    If you don't do all of the above syringes are more accurate. Thats why drugs are, generally, administered by ml not the gram.
     
  9. RAPTOREX

    RAPTOREX Achiever

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    I've had two sets of them, I use them for measuring my coffee, they aren't accurate to anything like .1g. Indeed aren't even consistant in their inaccuracy.
    Ultimately this is an exercise in semantics, anyway.
     
  10. Fuctifino

    Fuctifino Achiever

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    Well blow me sideways do people not understand what I said:

    So tbh I think I covered the pros n cons for syringe/weight depending the amount being measured
    hence I listed an example of possible scales and syringes

    Medicine in liquid form is dispensed in tiny amounts = syringe
    another factor is the medicine itself varies in density & weight
    so 1000ml of a certain/varying liquid is unlikely to equal 1000gms like pure water
    (this 1ltr = 1kg varies according to water & temp but is an aprox of the metric system)

    BUT then other medicines (tablets say), list the mg of the drug
    and also the data will state the mg per ml - like nicotine

    Now I also own two mini "drug dealer" scales

    [​IMG]

    genuine reason - lightening certain mechanical parts if you must know than packets of powder
    One does 0.1g & other does 0.01g increments, mainly use this 0.01g
    YES it fluctuates - but not that much I found

    if something weighed 27.50gms and I re-weighed it it might come up as 27.48 or 27.52gms
    WELL WITHIN A LEVEL OF TOLERANCE imho

    I got digital calipers, plastic 0.1mm & metal 0.01mm tolerences
    I use stuff accordingly on how accurate I need to be for the task in hand

    Now........

    Small amounts & complex mixtures - use syringes I said

    medium amounts complex mixtures - still use syringes

    BUT.....

    On say a larger amount or a straight forward mixture of flavours....

    How accurately could you dispense 33.33ml from say a 50ml syringe ???
    Or two attempts from a 20ml syringe ???
    How ultra accurate would your syringe be in larger amounts, unless you use 6 or 7 attempts with a 5ml syringe
    but then you never fully dispense coz there is always the amount left in the spout of the syringe/needle

    In the end the actual accuracy falls more on the user to determine than just the method used for task in hand

    If the scales you intend to use displays a large variation in weight - DON'T USE THEM
    If the same object or test subject you try is up n down like a bride's nightie then forget it
    (but I found the drug dealer ones were quite acceptable in use)

    Long needles help to reach into larger bottles, I've used capillary pipe on shorter blunt needles doing CISS ink refills

    As I said, different methods for varying amounts mixed - user decides

    Almost any method is still going to better than guessing it....

    "Yeah - looks about right, that'll do it I think...."

    Hmmm don't quite taste the same as previous batch - I wonder why ???

    Use what method YOU feel is best, I just gave my opinion/suggestions based on my experience and the qty being mixed

    peace
     
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  11. ObiWanVaponi

    ObiWanVaponi Veteran

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  12. Fuctifino

    Fuctifino Achiever

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    [​IMG]
     
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