Lamotte DCL-20 Colorimeter User Manual

INSTRUCTION MANUALFOR DCL-12, 13, 14, 15, 20Helping People Solve Analytical Challenges®PO Box 329 • Chestertown • Maryland • 21620 • USA800-344-3100 •

SOIL COLORIMETER TESTSINSTRUCTIONSpH and Lime Requirement are determined by means of the pH meter. The conductivity meter is used for determiningsolub

AMMONIA NITROGEN TESTNESSLERIZATION METHODQUANTITY CONTENTS CODE30 mL Ammonia Nitrogen Reagent #1 V-4797-G2 x 30 mL *Ammonia Nitrogen Reagen

CALCIUM & MAGNESIUM TESTSCHWARZENBACH EDTA METHODQUANTITY CONTENTS CODE30 mL *Calcium & Magnesium Buffer *5126-G60 mL Standard EDTA Re

TITRATION B, CALCIUM1. Fill the test tube (0778) to the 5 mL line with the diluted soil extract. Dilute to 10 mL with deionized water.2. Add 2 drops o

CHLORIDE TESTDIRECT READING TITRATOR METHODQUANTITY CONTENTS CODE15 mL *Chloride Reagent #1 *4504-E60 mL *Silver Nitrate, 0.141N *3062DR-H1 Ext

COPPER TESTDIETHYZDITHIOCARBAMATE METHODQUANTITY CONTENTS CODE15 mL *Copper Reagent *6446-E*WARNING: Reagents marked with a * are considered hazard

IRON TEST - BIPYRIDYL METHODQUANTITY CONTENTS CODE30 mL *Iron Reagent #1 *V-4450-G5 g *Iron Reagent #2 Powder *V-4451-C1 Pipet , 0.5 mL 0353

MANGANESE TEST - PERIODATE METHODQUANTITY CONTENTS CODE10 g Manganese Buffer Reagent 6310-D15 g *Manganese Periodate Reagent *6311-E2 Spoo

MANGANESE CONCENTRATION CHART%T RANGE PARTS PER MILLION86-100% Low 0-5 ppm71-85% Medium 5-12 ppm51-70% Medium High 13-24 ppm32-50% High 25-40 ppm

NITRATE NITROGEN TESTCADMIUM REDUCTION METHODQUANTITY CONTENTS CODE2 x 60 mL *Mixed Acid Reagent *V-6278-H5 g *Nitrate Reducing Reagent *V-6279-C1

TABLE OF CONTENTS PageIntroduction to Colorimetric Analysis 3Sample Dilution Techniques 4General Information 5Specifications 6General Operating Proce

NITRATE NITROGEN CONCENTRATION CHART%T RANGE POUNDS PER ACRE93-100% Low 0-9.0 lbs/acre79-92% Medium 11-29 lbs/acre65-78% Medium High 33-51 lbs/acr

NITRITE NITROGEN TESTDIAZOTIZATION METHODQUANTITY CONTENTS CODE2 x 60 mL *Mixed Acid Reagent *V-6278-H5 g *Color Developing Reagent *V-6281-C1 S

NITRITE NITROGEN CONCENTRATION CHART%T RANGE POUNDS PER ACRE86-100% Low 0-2 lbs/acre73-85% Medium 2.5-4 lbs/acre42-72% High 4.5-10 lbs/acre0-41% V

PHOSPHORUS TESTASCORBIC ACID REDUCTION METHODQUANTITY CONTENTS CODE60 mL *Phosphate Acid Reagent *V-6282-H5 g *Phosphate Reducing Reagent *V-6283-C

PHOSPHORUS CONCENTRATION CHART%T RANGE POUNDS PER ACRE81-100% Very Low 0-14 lbs/acre61-80% Low 16-34 lbs/acre39-60% Medium 35-67 lbs/acre0-38% Hi

POTASSIUM TESTTETRAPHENYLBORON METHODQUANTITY CONTENTS CODE30 mL *Sodium Hydroxide, 0.1N *4004WT-G5g *Tetraphenylboron Powder *6364-C1 Pipet ,

POTASSIUM CONCENTRATION CHART%T RANGE POUNDS PER ACRE93-100% Very Low 0-44 lbs/acre82-91% Low 50-76 lbs/acre50-81% Medium 82-143 lbs/acre18-80% Hi

SULFUR TESTBARIUM CHLORIDE METHODQUANTITY CONTENTS CODE60 mL *Sulfate Extracting Solution *6363-H10 g *Sulfate Reagent *V-6277-D1 Pipet , 1 mL

SULFUR CONCENTRATION CHART%T RANGE PARTS PER MILLION79-100% Low 0-16 ppm55-78% Medium Low 17-30 ppm34-54% Medium 31-50 ppm0-33% High 52-75 ppm28

ZINC TESTZINCON METHODQUANTITY CONTENTS CODE30 mL *Zinc Indicator Solution *6314-G120 mL *Methyl Alcohol *6319-J10 g Sodium Ascorbate 6316-D25

AN INTRODUCTION TO COLORIMETRIC ANALYSIS Most test substances in water are colorless and undetectable to the human eye. In order to test for their pr

PROCEDUREA. PREPARATION OF DILUTED ZINC INDICATOR SOLUTION1. Use one pipet (0352) to measure exactly 5.0 mL of Zinc Indicator Solution into the 10 mL

SAMPLE DILUTION TECHNIQUES If a test result exceeds the lower end of the calibration chart for a specific test, you must dilute your sample. Repeat

GENERAL INFORMATION LIMITS OF LIABILITYUnder no circumstances shall LaMotte Company be liable for loss of life, property, profits, or other damages i

SPECIFICATIONS IN STRU MENT TYPEMulti-wavelength filter colorimeter _ internal, non-removable filtersREAD OUT312 inch digit LCD; displays 0–100%TREAD

GENERAL OPERATING PROCEDURE 1. Rinse a clean colorimeter tube (0967) with sample water. Fill to the 10 mL line with sample.2. Select the appropriate

pHPROCEDURE1. Use the 10 g Soil Measure (1164) to add one level measure of the soil sample to a 50 mL beaker (0944). Use thegraduated cylinder (0416)

SOLUBLE SALTS (TOTAL DISSOLVED SALTS)PROCEDURE1. Fill a 50 mL beaker (0944) with the soil to be tested, tapping it lightly to eliminate any trapped ai