Since 1919
LaMotte Smart2 Colorimeter
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Individual Test Kits:

Acidity (Individual Test Kits)

Acidity: The 7604-DR uses a standard alkali to titrate to the methyl orange endpoint for determination of strong mineral acids, and the phenolphthalein endpoint for determination of strong mineral acids, carbon dioxide, other weak acids and hydrolyzable mineral salts. The results are expressed as CaCO3.

The 7182 uses the phenolphthalein endpoint to determine hydrochloric, sulfuric, and phosphoric acids.

Order Code/Model
Test System
Range/Sensitivity
# of Tests
(# Reagents)
Shipping Code (Weight/lbs)
7182 HCl, H2SO4, H3PO4
Dropper Bottle
1 drop = 0.1 or 1.0% (as the particular acid)

50 at 10% (2)

R1 (1)

Shipping Codes & Weight:

Shipping codes and weights for shipping are included in this catalog for your convenience. The shipping code will refer to one of the following in the chart below. Weight will be in pounds and enclosed in ( ).

Direct Reading Titrators have a specific range, but may be refilled to test higher concentrations.


LaMotte Company

P.O. Box 329 | 802 Washington Avenue | Chestertown | Maryland | 21620
Tel: 800-344-3100 (within the U.S.A.) | 410-778-3100 | 410-778-3101
Fax: 410-778-6394