LaMotte DC1600 Colorimeter - Manual

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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