4.3: Pull Sheets/Materials

Bio 4A+4B Lab Instructor Resources Manual · LibreTexts

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    From LibreTexts, under CC BY 4.0, as the source states it; its equations are written in TeX, which the PDF shows typeset. This page at LibreTexts.

     

         

    Item How Many?
    Calculators 28
    Gloves (one box of each size: S, M, L) 1 set per lab bench
    Goggles (with alcohol pads for cleaning) 28 (56 alcohol prep pads)

    Prepared solutions within Erlenmeyer flasks: each with its own labeled pipette):

    pH 2, 4, 5, 7, 8, 10, & 12

    see below (please attach to pipette aids)

    100 mL of each pH
    pH 7 will need an additional 1200 mL (as unknown soln D)
    pH 2 and 6  will need an additional 50 mL each (as unknowns A and B)
    test tubes 160
    test tube racks 12
    masking tape 2 rolls
    wax pencils or sharpies 6
    *500 mL of red cabbage-extract indicator 1 
    with 1 mL labeled pipettes (cabbage extract) 2 (please attach to pipette aids)
    with 5 mL labeled pipettes (cabbage extract) 2 (please attach to pipette aids)
    Parafilm 1 box
    Scissors (to cut Parafilm) 1
    *Unknown Solution A (HCl pH 2) 50 mL
    *Unknown Solution B (HCl pH 6) 50 mL
    each unknown with a 5 mL labeled pipette 2 (1 for A, 1 for B - please attach to pipette aids)
    Apple juice 250 mL (with 2 or 5 mL labeled pipette + aid)
    7-Up or Sprite 250 mL (with 2 or 5 mL labeled pipette + aid)
    Ivory liquid solution 250 mL (with 2 or 5 mL labeled pipette + aid)
    Tide solution 250 mL (with 2 or 5 mL labeled pipette + aid)
    Maalox 250 mL (with 2 or 5 mL labeled pipette + aid)
    White wine 40 mL (with 2 or 5 mL labeled pipette + aid)
    Aspirin solution 40 mL (with 2 or 5 mL labeled pipette + aid)
    Coffee 40 mL (with 2 or 5 mL labeled pipette + aid)
    Milk of magnesia 40 mL (with 2 or 5 mL labeled pipette + aid)
    Sodium bicarbonate solution 40 mL (with 2 or 5 mL labeled pipette + aid)
    Drano solution 40 mL (with 2 or 5 mL labeled pipette + aid)
    Cascade solution 40 mL (with 2 or 5 mL labeled pipette + aid)
    Extra resting solution for pH meters 1 bottle at instructor's desk
    pH meters - please calibrate each one to pH 7 6 (2 per lab bench; keep in resting solution)
    At each pH meter: 6 sets: Please place each set near one pH meter
    Magnetic stir plates (hot plate with stir function) 6 (1 at each pH meter)
    pH paper strips 6 (1 at each pH meter)
    Glass stirring rods 6 (1 at each pH meter)
    Forceps 6 (1 at each pH meter)
    Distilled water in squirt bottles; empty waste jar 6; 6 (1 of each at each pH meter)
    50 mL beakers - unlabeled 6 (1 at each pH meter)
    100 mL beakers - unabeled 12 (2 next to each pH meter)
    Stir bar and magnetic wand 6 of each (1 at each pH meter)
    2 mL pipette (or 5 mL) with aid - labeled "HCl" 6 (1 at each pH meter)
    2 mL pipette (or 5 mL) with aid - labeled "NaOH" 6 (1 at each pH meter)
    20 mL 0.1 N HCl (purchase already prepared) 6 in small Erlenmeyer flasks (1 at each pH meter)
    20 mL 0.1 N NaOH (purchase already prepared) 6 in small Erlenmeyer flasks (1 at each pH meter)
    *200 mL Unknown Solution C (distilled water) - please label as "Solution C" 6 in flask or beaker (1 at each pH meter)
    *200 mL Unknown Solution D (pH 7 buffer) - please label as "Solution D" 6 in flask or beaker (1 at each pH meter)
    Congo red in glass dropper bottle (>50 mL each) 6 (1 at each pH meter)
    Phenolphthalein in glass dropper bottle (>50 mL each) 6 (1 at each pH meter)
    Glassware soak basins 2 (in steel sink)
    Congo red waste container 1 (place in hood)

     

     

    This page titled 4.3: Pull Sheets/Materials was last modified on Tue, 27 Aug 2024 07:44:30 GMT and is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Darcy Ernst, May Chen, Katie Foltz, and Bridget Greuel (Open Educational Resource Initiative at Evergreen Valley College) .