Hanna Instruments HI 3880 User Manual

Instruction Manual

HI 3880

pH 4.0-6.5

Test Kit

www.hannainst.com

Dear Customer,
Thank you for choosing a Hanna Product.
Please read the instructions carefully before using the

chemical test kit. It will provide you with the necessary
information for correct use of the kit.

Remove the chemical test kit from the packing material and
examine it carefully to make sure that no damage has
occurred during shipping. If there is any noticeable damage,
notify your Dealer or the nearest Hanna office immediately.

Each kit is supplied with:

HI 3880-0 pH 4.0-6.5 Reagent, 1 bottle with

•
dropper (25 mL);

1 color comparator cube.

•

Note: Any damaged or defective item must be returned in

its original packing materials.

SPECIFICATIONSSPECIFICATIONS

SPECIFICATIONS

SPECIFICATIONSSPECIFICATIONS

Range 4.0 to 6.5 as pH unit
Smallest Increment 0.5 as pH unit
Analysis Method Colorimetric
Sample Size 5 mL
Number of Tests 100
Case Dimensions 115x102x82 mm (4.5x4.0x3.2")

Shipping Weight 110 g (3.9 oz.)

SIGNIFICANCE AND USESIGNIFICANCE AND USE

SIGNIFICANCE AND USE

SIGNIFICANCE AND USESIGNIFICANCE AND USE

pH represents acidity or alkalinity of an aqueous solution
and is proportional to the hydrogen-ion concentration of the
solution. Under neutral conditions water is dissociated into
the OH- and H+ ions in equal ratio and hence it has a pH
of 7. When bases or acids are added to a water solution
they ionize, increasing the concentration of OH- or H+,
respectively. Thus solutions with a pH of 1-3 contain strong
acids, whereas those with a pH of 4-6 contain weak acids.
Weak bases result in solutions of pH 8-10 and strong bases
in pH of 11-13.

Examples of pH value for some liquids:
LiquidLiquid

Liquid

LiquidLiquid
sea water 7.8-8.2
gastric juices 1.7
milk 6.5-7
soil 6-7 (optimum for crops)

CHEMICAL REACTIONCHEMICAL REACTION

CHEMICAL REACTION

CHEMICAL REACTIONCHEMICAL REACTION

HI 3880-0 Hanna Reagent reacts in contact with the
aqueous solution changing its color according to the hydrogen­ion concentration (pH) in the given range.

pH ValuepH Value

pH Value

pH ValuepH Value

INSTRUCTIONSINSTRUCTIONS

INSTRUCTIONS

INSTRUCTIONSINSTRUCTIONS

READ THE ENTIRE INSTRUCTIONS BEFORE USING THE KIT

• Note:

always shake the reagent bottle before use.

• Fill the color comparator cube with 5 mL of
the sample.

• Add 3 drops of reagent HI 3880-0.

• Replace the cap and mix the
solution by inverting the
cube several times.

• Determine which color best
matches the solution in the cube
and record the result as pH unit.

• It is better to match the color with a white sheet at
about 10 cm behind the color comparator cube.

Note: in case of a concentration of chlorine above 50 ppm

require the HI 3880/O Test Kit.
To measure pH in the 6.0-8.5 range use the HI

3881 pH 6.0-8.5 Test Kit.
To measure pH in the 7.5-10.0 range use the HI

3886 pH 7.5-10.0 Test Kit.

REFERENCESREFERENCES

REFERENCES

REFERENCESREFERENCES

Vogel's
Quantitative Chemical Analysis
5th Ed.
Longman Scientific & Technical.

HEALTH AND SAFETYHEALTH AND SAFETY

HEALTH AND SAFETY

HEALTH AND SAFETYHEALTH AND SAFETY

The chemicals contained in this kit may be hazardous if
improperly handled. Read Health and Safety Data Sheet
before performing this test.

ISTR3880R2 02/03-L PRINTED IN ITALY