Page 114 - Demo

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Chemicals
1-800-452-1261
Universal Indicator, Red Cabbage Extract
Storage: Organic #9
Disposal: #26a
Shelf Life: Indefinite, if stored in a cool, dry area.
Soluble: Water
Color and Odor: Dark maroon solid with cabbage odor. Technical Note: Prepare a 0.2% solution to use as an indicator.
Universal Indicator, Red Cabbage Extract, Color Chart
Rainbow Acid Universal Indicator, pH 1–7 U0012
Universal Indicator Solution, Rainbow Acid
Storage: Organic #9
Disposal: #26b
Shelf Life: Indefinite
Color and Odor: Dark green liquid.
Technical Note: Rainbow spectrum of colors observed for pH values from 1–7. Excellent indicator to test acidity levels of common household substances.
Universal Indicator, Rainbow Acid, Color Chart
Urea
flinnsci.com
pH range 2–11
Powdered cabbage extract. Will make gallons of red cabbage indi- cator solution.
U0014
10 g
$13.85
laboratory grade, beads
NH2CONH2 F.W. 60.06
U0003
500 g
$10.15
U0010
12 kg
78.05
Storage: Organic #2
Disposal: #26a
Shelf Life: Indefinite
Soluble: Water and alcohol.
Color and Odor: White, odorless solid. CAS No. 57-13-6
Urease
 HAZARD ALERT: Body tissue and respiratory irritant. Severe eye irritant.
Storage: Organic #2
Disposal: #26a
Shelf Life: Indefinite
Soluble: Water
Color and Odor: Buff solid with soybeanlike odor. CAS No. 9002-13-5
V
Vegetable Dyes
see Food Coloring Dyes and FD&C Food Dyes
Vermiculite
see Super Sorb® on page 154
Vinegar
Storage: Organic #1
Disposal: #26b
Shelf Life: Indefinite
Soluble: Water and alcohol.
Color and Odor: Brown or clear liquid with acetic acid odor. CAS No. 64-19-7
enzyme isolated from jack bean meal for determination of urea
U0013
10 g
$20.90
pH range 2–11
Package of 30 charts
AP6847
pkg.
$16.35
23⁄4 x 31⁄2 in.
Cider
V0002
3.78 liters
$10.05
White
V0005
3.78 liters
$10.55
pH range 1–7
color indicator chart attached to the bottle
U0012
100 mL
$8.80
Washing Soda
see Sodium Carbonate
Water
W
pH range 1–7
Package of 30 charts
AP6845
pkg.
$5.70
23⁄4 x 31⁄2 in.
Deionized
W0007
4 liters
$9.85
Distilled
W0001
4 liters
9.10
Universal Indicator Combination Kit
Two great indicators, one low price!
Contains one bottle (100 mL) each of the standard universal indicator solution (pH 4–10) and the rainbow acid universal indicator (pH 1–7). Combination kit offers great versatility for identifying the pH range and acid–base properties of common household substances.
AP7149 2 × 100 mL $16.85
Uranin
Storage: Miscellaneous nonhazardous material.
Disposal: #26b
Shelf Life: Indefinite if kept tightly closed. If your distilled water is stored for a long period, it will gradually become acidic, due to the presence of dissolved CO2. Boiling the water before use will drive off and eliminate the dissolved CO2.
Color and Odor: Colorless, odorless liquid.
CAS No. 7732-18-5
Water Glass
see Sodium Silicate Solution
Waterlock®
see Fluorescein
see Sodium Polyacrylate, Synthetic