Lamotte HESTER SOIL TEST ST-H User Manual download pdf

LaMOTTE-HESTER SOIL TEST

MODEL ST-H • CODE 5021

QUAN TITY CON TENTS CODE

15 mL Bromcresol Green In di ca tor 2207-E

15 mL Chlorphenol Red In di ca tor 2209-E

15 mL Bromthymol Blue In di ca tor 2210-E

15 mL Phe nol Red In di ca tor 2211-E

15 mL *Du plex In di ca tor *2221-E

50 mL Soil Flocculating Re agent 5643WT-H

1 Demineralizer Bot tle, Model PWB-1 1152

4 Test Tubes 0204

4 Pipets, 1.0 mL, plas tic 0354

2 Spot Plates, plas tic 0159

1 Color Chart, Bromcresol Green 1328

1 Color Chart, Chlorphenol Red 1329

1 Color Chart, Bromthymol Blue 1331

1 Color Chart, Phe nol Red 1332

1 Color Chart, Du plex pH 1313

1 Stirring Rod, plas tic 0519

1 Brush, test tube 0514

*WARNING: Reagents marked with a * are considered hazardous substances.

Material Safety Data Sheets (MSDS) are supplied for these reagents. For your

safety, read label and accompanying MSDS before using.

The LaMotte-Hester Soil Test Kit was designed by Dr. Jackson B. Hester of the

Virginia Truck Experimental Station.

Read the Demineralizer Bottle Instruction Manual before proceeding. The

Demineralizer Bottle is the source for all the deionized water used in this test.

A complete discussion of soil sampling is found in the LaMotte Soil Handbook.

The procedures detailed in the handbook should be read and followed with care.

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Summary of Contents

Page 1 - LaMOTTE-HESTER SOIL TEST

LaMOTTE-HESTER SOIL TESTMODEL ST-H • CODE 5021QUAN TITY CON TENTS CODE15 mL Bromcresol Green In di ca tor 2207-E15 mL Chlorphenol Red In di

Page 2

PRO CE DURE1. Fill a test tube (0204) approximately one-third full of soil. Use theModel PWB-1 Demineralizer Bottle (1155) to add demineralizedwater t

Page 3 - LaMOTTE COM PANY

5. Add two drops of the chosen narrow range indicator to the secondsample on the spot plate. Compare the resulting color reactionagainst the appropri

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Lamotte HESTER SOIL TEST ST-H User Manual

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