Kenneth Helrich: search on Z-Library

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1

DDT residue disappearance from field sprayed lettuce

Kenneth Helrich, Stuart Race, John Reed

Journal:

Bulletin of Environmental Contamination and Toxicology

Year:

1970

Language:

english

File:

PDF, 142 KB

english, 1970

2

Insecticide Residues, Residues in Milk from Dairy Cattle Treated with Methoxychlor for Fly Control

Helrich, Kenneth, Hansens, E. J., Granett, Philip

Journal:

Journal of Agricultural and Food Chemistry

Year:

1958

Language:

english

File:

PDF, 325 KB

english, 1958

3

Determination of Phosphorus in Phosphate Rock

Helrich, Kenneth., Rieman, William.

Journal:

Analytical Chemistry

Year:

1947

Language:

english

File:

PDF, 243 KB

english, 1947

4

Determination of Acetyl Number of Fats and Oils

Helrich, Kenneth., Rieman, William.

Journal:

Analytical Chemistry

Year:

1947

Language:

english

File:

PDF, 121 KB

english, 1947

5

GAS-LIQUID CHROMATOGRAPHY OF PROPANOL, PROPYLAMINE, AND DIPROPYLAMINE

Hermanson, H. P., Helrich, Kenneth, Carey, W. F.

Journal:

Analytical Letters

Year:

1968

Language:

english

File:

PDF, 173 KB

english, 1968

6

Advances in Pest Control Research, Vol. V.by R. L. Metcalf

Review by: Andrew J. Forgash, Kenneth Helrich, Stanley E. Katz and George Winnett

Journal:

Bulletin of the Torrey Botanical Club

Year:

1964

Language:

english

File:

PDF, 275 KB

english, 1964

7

Report of Subcommittee E on Recommendations for Official Methods

Williams, Sidney, Helrich, Kenneth A, Malanoski, Anthony J, Cummings, Joseph G

Journal:

Journal of AOAC International

Year:

1974

File:

PDF, 461 KB

1974

8

Thin Layer Chromatographic Separation and Chromogenic Detection of Diazinon and Some of Its Known or Suspected Metabolites and/or Degradation Products

Siewierski, Marie, Helrich, Kenneth

Journal:

Journal of AOAC International

Year:

1970

File:

PDF, 533 KB

1970

9

Report on Parathion

Helrich, Kenneth

Journal:

Journal of AOAC International

Year:

1957

File:

PDF, 94 KB

1957

10

Report of Committee E on Recommendations for Official Methods

Burke, Jerry A, Enos, Henry F, Helrich, Kenneth, Myrdal, Gerald R, Phillips, Wendell F, Steller, William A, Puma, Bartholomew J, Albert, Richard H

Journal:

Journal of AOAC International

Year:

1984

File:

PDF, 936 KB

1984

11

The Pesticide Chemist and Modern Toxicology

Helrich, Kenneth

Journal:

Journal of AOAC International

Year:

1982

File:

PDF, 150 KB

1982

12

Report of Subcommittee E on Recommendations for Official Methods

Williams, Sidney, Helrich, Kenneth A, Malanoski, Anthony J, Puma, Bartholomew J, Butler, Stephen W

Journal:

Journal of AOAC International

Year:

1975

File:

PDF, 446 KB

1975

13

Separation, Identification, and Measurement of DDT and Its Metabolites

Siewierski, Marie, Helrich, Kenneth

Journal:

Journal of AOAC International

Year:

1967

File:

PDF, 382 KB

1967

14

Improved Quantitative Method for the Determination of Aldicarb and Its Oxidation Products in Plant Materials

Carey, William F, Helrich, Kenneth

Journal:

Journal of AOAC International

Year:

1970

File:

PDF, 449 KB

1970

15

Colorimetric Method for Determination of Parathion

Helrich, Kenneth

Journal:

Journal of AOAC International

Year:

1960

File:

PDF, 202 KB

1960

16

Collaborative Comparison of Colorimetric and Potentiometric Methods for Parathion and Methyl Parathion in Formulations

Helrich, Kenneth

Journal:

Journal of AOAC International

Year:

1964

File:

PDF, 264 KB

1964

17

Report of Subcommittee E on Recommendations for Official Methods

Malanoski, Anthony J, Duggan, Reo E, Helrich, Kenneth A, Cummings, Joseph G

Journal:

Journal of AOAC International

Year:

1973

File:

PDF, 481 KB

1973

18

Report of Subcommittee E on Recommendations for Official Methods

Malanoski, Anthony J, Helrich, Kenneth, Williams, Sidney, Puma, Bartholomew J, Butler, Stephen W

Journal:

Journal of AOAC International

Year:

1978

File:

PDF, 603 KB

1978

19

Report of Subcommittee E on Recommendations for Official Methods

Helrich, Kenneth, Malanoski, Anthony J, Williams, Sidney, Puma, Bartholomew J, Butler, Stephen W

Journal:

Journal of AOAC International

Year:

1977

File:

PDF, 403 KB

1977

20

Report of Subcommittee E on Recommendations for Official Methods

Helrich, Kenneth, Malanoski, Anthony J, Williams, Sidney, Puma, Bartholomew J, Butler, Stephen W

Journal:

Journal of AOAC International

Year:

1976

File:

PDF, 564 KB

1976

21

Report of Committee E on Recommendations for Official Methods

Helrich, Kenneth, Burke, Jerry A, Malanoski, Anthony J, Puma, Bartholomew J, Butler, Stephen W

Journal:

Journal of AOAC International

Year:

1981

File:

PDF, 930 KB

1981

22

Report of Subcommittee E on Recommendations for Official Methods

Williams, Sidney, Cummings, Joseph G, Helrich, Kenneth, Puma, Bartholomew J, Butler, Stephen W

Journal:

Journal of AOAC International

Year:

1980

File:

PDF, 608 KB

1980

23

Report of Committee E on Recommendations for Official Methods

Myrdal, Gerald R, Burke, Jerry A, Ellis, Richard L, Enos, Henry F, Helrich, Kenneth, Phillips, Wendell F, Schmitt, Richard, Steller, William A, Puma, Bartholomew J, Albert, Richard H

Journal:

Journal of AOAC International

Year:

1985

File:

PDF, 1.24 MB

1985

24

Report of Committee E on Recommendations for Official Methods

Burke, Jerry A, Enos, Henry F, Helrich, Kenneth, Malanoski, Anthony J, Myrdal, Gerald R, Phillips, Wendell F, Steller, William A, Puma, Bartholomew J, Albert, Richard H

Journal:

Journal of AOAC International

Year:

1983

File:

PDF, 953 KB

1983

25

Report of Committee E on Recommendations for Official Methods

Helrich, Kenneth, Burke, Jerry A, Malanoski, Anthony J, Myrdal, Gerald R, Puma, Bartholomew J, Butler, Stephen W

Journal:

Journal of AOAC International

Year:

1982

File:

PDF, 679 KB

1982