White cardboard box, lid and base; contains ten glass vials; each a slightly different shade of colour standard phenol red; each vial has a label near top; with information on maker; and the pH level of that particular standard; each vial separated by cardboard divider; tissue paper padding over to…
White cardboard box, lid and base; contains ten glass vials; each a slightly different shade of colour standard phenol red; each vial has a label near top; with information on maker; and the pH level of that particular standard; each vial separated by cardboard divider; tissue paper padding over top.
Number Of Parts
12
Part Names
a - box base - Size: Length 18.8 cm. x Width 13.7 cm. x Depth 2.0 cm.
b - box lid - Size: Length 18.8 cm. x Width 13.7 cm. x Depth 2.0 cm.
c - vial: Phenol Red pH 6.8 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
d - vial: Phenol Red pH 7.0 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
e - vial: Phenol Red pH 7.2 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
f - vial: Phenol Red pH 7.4 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
g - vial: Phenol Red pH 7.6 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
h - vial: Phenol Red pH 7.8 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
i - vial: Phenol Red pH 8.0 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
j - vial: Phenol Red pH 8.2 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
k - vial: Phenol Red pH 8.4 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
l - vial: distilled water - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
Provenance
Colorimeter standards used for comparing pH of colours
Label to outer side of lid: LaMotte Standards / Phenol Red / One Set // pH 6.8-8.4; label to vial reads: LAMOTTE STANDARDS // Phenol // Red // pH // Made By // LAMOTTE CHEMICAL PRODUCTS CO. // BALTIMORE, MD
Permanent Location
Storage Room 0010
0010-F7-2
Condition Remarks
overall condition good; box lid worn slightly; side label yellowed with a small tear; tissue paper inside yellowed and brittle
Copy Type
Original
Reference Types
Person
Book
Reference Comments
Dr. Wally Breck; Dr. Robert C. Wheeler; item cited in "Scientific Instruments, Laboratory Apparatus and Equipment," Central Scientific Company of Canada, Toronto, 1942, p. 435, item 21550J