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LaMotte DC1600 Colorimeter User Manual

LaMotte Equipment

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LaMotte DC1600 Outfit • Code 1785

TABLE OF CONTENTS

Page

Specifications ............................................................................................................................................. 3

General Information ................................................................................................................................... 4

General Operating Procedure ...................................................................................................................... 5

Chemical Testing ........................................................................................................................................ 6

Water Sampling for Chemical Analysis ....................................................................................................... 6

Filtration....................................................................................................................................................... 7

An Introduction to Colorimetric Analysis................................................................................................... 7

Reagent Blank .............................................................................................................................................. 7

Colorimeter Tubes ........................................................................................................................................ 7

Calibration Curves ....................................................................................................................................... 8

Preparing Dilute Standard Solutions ............................................................................................................ 9

Standard Additions ...................................................................................................................................... 9

Sample Dilution Techniques and Volumetric Measurements..................................................................... 10

Interferences ............................................................................................................................................... 10

Stray Light Interferences ............................................................................................................................ 10

Testing Procedures

Aluminum .................................................................................................................................................. 11

Ammonia Nitrogen-Low Range................................................................................................................. 13

Ammonia Nitrogen-High Range................................................................................................................ 15

Chlorine-Bromine-Iodine........................................................................................................................... 17

Chlorine Dioxide........................................................................................................................................ 23

Chromium-Hexavalent .............................................................................................................................. 25

Chromium-Total......................................................................................................................................... 27

Copper-Low Range .................................................................................................................................... 31

Copper-High Range.................................................................................................................................... 33

Cyanide ...................................................................................................................................................... 35

Cyanuric Acid ............................................................................................................................................ 37

Fluoride....................................................................................................................................................... 39

Hydrazine.................................................................................................................................................... 41

Hydrogen Peroxide ..................................................................................................................................... 43

Iron Bipyridyl.............................................................................................................................................. 45

Iron Phenanthroline................................................................................................................................... 47

Manganese-High Range ............................................................................................................................. 49

Manganese-Low Range............................................................................................................................... 51

Molybdenum-Tiron .................................................................................................................................... 53

Molybdenum-Thioglycolate ....................................................................................................................... 55

Nickel ......................................................................................................................................................... 57

Nitrate Nitrogen......................................................................................................................................... 59

Nitrite Nitrogen ......................................................................................................................................... 61

Oxygen, Dissolved ...................................................................................................................................... 63

Ozone ......................................................................................................................................................... 65

pH............................................................................................................................................................... 67

Phenols ....................................................................................................................................................... 69

Phosphate-High Range............................................................................................................................... 71

Phosphate-Low Range ................................................................................................................................ 73

Potassium.................................................................................................................................................... 75

Silica-Low Range........................................................................................................................................ 77

Silica-High Range ...................................................................................................................................... 79

Sulfate......................................................................................................................................................... 81

Sulfide......................................................................................................................................................... 83

Tannin ........................................................................................................................................................ 85

Turbidity ..................................................................................................................................................... 87

Zinc............................................................................................................................................................. 89

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