Student Reference Standards & Reagent Chemicals

Educators agree that students need measuring sticks to calibrate their equipment and volumetric standards. U.S. Bureau of Standards reference standards are excellent but very expensive. Some commercial standards are satisfactory, but others are not. To give students reference standards of accuracy matching that of unknowns, Thorn Smith produces Student Reference Standards. Side-by-side analysis of these standards with Thorn Smith unknowns gives agreement of a few parts per ten thousand for many materials. Matching these accuracies provides a real challenge to even your best students.

NOTE: Materials marked (Highly Toxic) will be shipped in Poison Packs at extra charge.

Catalog # Material (MSDS info)   Price

81-1010

Arsenious acid - for standardizing iodine
Highly toxic; shipped in Poison Packs*

  100 gram: $14.80       500 gram: $58.30

81-1020

Calcium carbonate - for standardizing EDTA solution

  100 gram: $14.50       500 gram: $56.10

81-1035

Ferrous ammonium sulfate - for standardizing dichromate or permanganate solution

  100 gram: $14.85       500 gram: $57.70

81-1045

Potassium biphthalate - for standardizing sodium hydroxide solution

  100 gram: $18.75       500 gram: $68.95

81-1055

Potassium dichromate - for standardizing thiosulfate solution
Shipped in Poison Packs*

  100 gram: $13.50       500 gram: $52.00

81-1060 Silver nitrate ACS grade
Shipped in Poison Packs*
Note: Prices may vary due to silver market and may vary due to change in poison packaging charges. Phone for quotations.
  100 gram: Call for $       500 gram: Call

81-1075

Sodium carbonate - for standardizing acid solution

  100 gram: $12.50       500 gram: $48.30

81-1085

Sodium chloride - for standardizing silver nitrate solution

  100 gram: $11.85       500 gram: $45.75

81-1090

Sodium oxalate - for standardizing permanganate solution

  100 gram: $14.80       500 gram: $58.25

* Shipped in Poison Packs at extra charge

How to Order

Download our Catalog (in PDF format).

Download our order form, fill it out online and either fax it us at 231-882-4804 or email it to us at This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

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All Rights Reserved.
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Thorn Smith Laboratories
7755 Narrow Gauge Road, Beulah, MI 49617
Phone: 231-882-4672 - 231-882-7251
Fax: 231-882-4804
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