Analytical Methods Manual 1984

This manual is available as a series of PDF files

TABLE OF CONTENTS

Table of Contents (PDF FILE, 290KB) 

PREFACE

Preface (PDF FILE, 282KB) 

SAMPLE COLLECTION AND PREPARATION

Sample Collection and Preparation (PDF FILE, 333KB) 

CHEMICAL ANALYSIS

pH

84-001  pH in 0.01M CACL2 (1:2) and water (PDF FILE, 225KB)
84-002  Lime requirement buffer methods (PDF FILE, 214KB)

Soluble Salts

84-003  Soluble sailts in1:2 soil:water ratio (PDF FILE, 332KB)

Cation Exchange Capacity and Exchangeable Cations

84-004  Permanent charge CEC, and exchangeable cation by 2N NaCl extraction (PDF FILE, 254KB)
84-005  1N ammonium acetate extractable CA, Mg and K (PDF FILE, 137KB)
84-006  Cation exchange capacity at pH 7.0 by Ca (OAc)2-CaCl2 (PDF FILE, 216KB)
84-007  Barium acetate exchange capacity of organic soils (PDF FILE, 144KB)

Carbonates

84-008  Gravimetric methods, approximate (PDF FILE, 123KB)
84-009  Presseure transducer method (calcite and dolomite differentiation possible) (PDF FILE, 303KB)

Extractable Al, Fe, Mn (and Si)

84-010  Dithionite-citrate extraction (PDF FILE, 217KB)
84-011  Acid ammonium oxalate extraction (PDF FILE, 233KB)
84-012  Sodium pyrophosphate extraction (PDF FILE, 250KB)

Carbon

84-013  Total carbon, LECO induction furnace (PDF FILE, 390KB)
84-014  Organic carbon by wet oxidation (modified Walkley-Black) (PDF FILE, 198KB)
84-015  Pyrophosphate solubility index of organic matter (PDF FILE, 105KB)

Phosphorus

84-016  Total phosphorus, acid digestion (PDF FILE, 240 KB)
84-017  Sodium bicarbonate extractable phosphorus (by autoanalyser) (PDF FILE, 439KB)
84-018  Extractable phosphorus by 0.03N NH4F + 0.025N HCL (Bray) (PDF FILE, 387KB)
84-019  Total phosphorus in water (by autoanalyser) (PDF FILE, 391KB)
84-020  Orthophosphate in water (by autoanalyser) (PDF FILE, 373KB)

Ammonia and Nitrate

84-021  Ammonia and nitrate extractable by 2N KCL (PDF FILE, 584KB)
84-022  Ammonia nitrate in water (by autoanalyser) (PDF FILE, 434KB)

Major and Minor Elements

84-023  Acid dissolution of total major and minor elements (other than C, N, P, and S)
(PDF FILE, 217KB)
84-024  Extractable trace elements by either DPTA or EDTA (PDF FILE, 223KB)
84-025  Total mercury in soils (PDF FILE, 338KB)

PHYSICAL ANALYSIS

Particle Size Distribution

84-026  Particle <2 mm pipet method using filter candle system (PDF FILE, 648KB)
84-027  Sieve analysis (mechanical method) (PDF FILE, 314KB)

Bulk Density and Particle Density

84-028  Bulk density (Clod method) (PDF FILE, 288KB)
84-029  Bulk density (Core method) (PDF FILE, 284KB)
84-030  Particle density or specific gravity (PDF FILE, 248KB)

Shrinkage

84-031  Shrinkage factors of a disturbed soil (ASTM D427-61) (PDF FILE, 363KB)
84-032  Shrinkage of disturbed samples (COLE rod) (PDF FILE, 133KB)
84-033  Shrinkage of natural clod samples(PDF FILE, 271KB)

Water Content and Water Retention (porosity)

84-034  Water content (PDF FILE, 100KB)
84-035  Soil water desorption curves for soil cores by tension (PDF FILE, 726KB)
84-036  Water retention 4 and 15 bar (PDF FILE, 148KB)

Saturated Hydraulic Conductivity

84-037  Core method (PDF FILE, 317KB)
84-038  Clod method (PDF FILE, 156KB)

Atterberg limits

84-039  Liquid limit (ASTM D423-66) (PDF FILE, 414KB)
84-040  Liquid limit by drop cone penetrometer (PDF FILE, 307KB)
84-041  Plastic limit (ASTM 424-59) (PDF FILE, 227KB)

Surface Area Determination

84-042  Specific surface area (EGME retention) (PDF FILE, 251KB)

Fiber Content

84-043  Fiber content and particle size distribution of organic soils (PDF FILE, 179KB)
84-044  Fiber content (unrubbed and rubbed) (PDF FILE, 216KB)

Loss on Ignition

84-045  Loss on ignition at 550 degrees C (PDF FILE, 122KB)

MICROSCOPY

84-046  Stereo microscope (PDF FILE, 86KB)
84-047  Thin sections (PDF FILE, 987KB)
84-048  Scanning electron microscopy applied to soils (PDF FILE, 217KB)
84-049  Sand mineralogy by microscopy (PDF FILE, 219KB)

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