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है”ह”ह

IS 1506 (1977): Specification for Copper OxychlorideDusting Powders [FAD 1: Pesticides and Pesticides ResidueAnalysis]

\

\ IS t 1506 • 1971

Indian StandardSPECIFICATION FOR

COPPER OXYCHLORIDE DUSTING POWDERS

(Second Revision)

First Reprint JUNE 1990

une 632.952 :661.856.322-492.2

@ Copyright 1977

BUREAU OF INDIAN STANDARDSMANAK BHAVAN. 9 BAHADUR SHAH ZAFAR MARG

NEW DEUll 110002

Gr3 May 1977

(Reaffirmed 2012)

IS t 1506 • 1911

Indian StandardSPECIFICATION FOR

COPPER OXYCHLORIDE DUSTING POWDERS

(Second Revision)

Pest Control Sectional Committee, AFCDe 6

ChairmanDR S. N. BANEBJEE

RI/JI"lSmlingDirectorate of Plant Protection, Quarantine &:

Storage ( Ministry of Agriculture &: Irrigation ),Faridabad

Ministry of Defence (R &. D), New Delbi

DR S. R. BAROOAHDR N. K. BASU

MembersDBP. N. AGARWAL

DR N. P. RAO (Alternate)DB H. L. BAIrn Central Forensic Science Laboratory, Central

Bureau of Investigation, New DelhiPesticides Association .of India, New DelhiThe Alkali &. Chemical Corporation of India

Limited, CalcuttaDR T. V. RAGHURAMAN ( Alternate)

SHRI P. CHAWLA National Organic Chemical Industriea ' Limited,Bombay

SHBI K. D. AM·RE (Alternate I)SHRI BHUPINDER SINGH ( AlternateII )

SHRI V. G. DESHPANDE CIBA-Geigy of India Limited, BombaySHBI E. A. ALMEIDA ( Alternate)

SHRI O. P. DHAMIJA Export Inspection Council ofIndia, New DelhiSHRI P. K. CHATTERJEE (Alternate)

DR M. S. DHATT National Malaria Eradication Programme, DelhiDIREOTOR OF AGRIOULTURE Department of Agriculture, Government of Uttar

Pradesh, LucknowDEPUTY DIREOTOR ( PLANT

PROTECTION) (Alternate)SHRI R. S. DIWEDI

SURIJ. P GUPTA ( Alternate)DRUGS CoNTROLLER (INDIA)

SURI M. RA~IE:ANT ( Alternate)

Food Corporation of India, New Delhi

Indian Pharmacopoeia Committee (Ministry ofHealth &. Family Planning), New Delhi

( CtmIi,.,d 1111"" 2 )

@ Co(Iyright 1977

BUREAU OF INDIAN STANDARDSThis publication is protected under the Indian CoP.1right Act (XIV of 1957) andreproduction in whole or in part by any means except with written permission of thepublisher shall be deemed to be an infringement of copyright under the said Act.

IS I 1506• 1977

(CSIR ),

Government of

Division, IndianInstitute (ICAR),

Department of Agriculture,Karnataka, Mysore

Punjab Agricultural University, Ludhiana

RepresentingForest Research Institute & Colleges, Dehra DunHindustan Insecticides Limited, New Delhi

Bombay Chemicals Private Ltd, Bombay

Department of Agriculture, Government of Punjab,Chandigarh

Bharat Pulverising Mills Private Ltd, Bombay

Cyanamid India Limited, Bombay

Agricultural ChemicalsAgricultural ResearchNew Delhi

Entomology Division, Indian ~iculturalResearchInstitute ( ICAR ), New Delhi

Directorate General of Armed Forces MedicalServices ( Ministry of Defence), New Delhi

( Continuid DIIpage 11 )

Indian Institute of Sugarcane Research (ICAR),Lucknow

DR S. C. SRIVASTAVA ( Alternate)SBRI S. K. MUUXDAR Central Food Technological Research Institute

( CSIR), Mysore

( COfItinued frtnn page 1)

MembersFOREST ENTOMOLOGISTSURI T. GEOROEJOBN

DR S. N. NAO (Alternate)SURI G. D. GOXBALE

SURI V. V. KETKAR ( Alternate)SURI PRITAX SINGH HOSBIARPURI

SURI MUXBTIAR SINGH SRA( Altemate)

JOINT DIR'&CTOll. OF AGRIOULTURE( DEVELOPMENT & ICP)

DEPUTY DIREOTOR OFA 0 B IOU L T U R E (PLANTPROTEOTION) (Alternau)

DR R. L. KALRADR R. P. CUAWLA ( Alternate)

DR KISUAN SINOH

DR R. S. DEWAN ( Alternate)DR K. D. PAHARIA Central Insecticides Board, Directorate of Plant

Protection, Quarantine & Storage ( Ministry ofAgriculture & Irrigation), Faridabad

DR S. Y. PANDIT Bayer (India) Limited, BombaySURI D. N: NAKBATE (Alternate)

DR T. N. PARTHASARATHY Regional Research LaboratoryHyderabad

Department of Agriculture, Government ofGujarat, Ahmadabad

Rallis India Limited, Bombay

MAJ-GEN D. C. SAOHDEVA

SBRI M. M"OTHU (Alternate)SBRI K. S. MEHTA

SaRI S. CBATTERJI ( Alternate)DR A. L. MOOXERJEE

SBRI J P. PARIKH (Alternate)DR S. K. MUKHERJEE

SBIn M. A. PATEL

SURI Y. A. PRADHANDR Z. J. KAPADIA (Alternate)

DR F. RAHMAN Tea Research Association, CalcuttaDR G SATYANARAYANA (Alternate)

SBRI G. K. RAO Ministry of Defence ( DGI ), New DelhiD.a A. K. SEN ( Alternate)

DR H. N. MOUAN RAO Pest Control ( India) Private Ltd, Bombay'SBRI MOHAN S. RAO (Alternate)

D.a RATTAN LAL

2

IS : 1506• 1977

Indian Standard

SPECIFICATION FORCOPPER OXYCHLORIDE DUSTING POWDERS

( Second Revision)

O. FOREWORD

0.1 This Indian Standard (Second Revision) was adopted by the IndianStandards Institution on 3.1 January 1977, after the draft finalized by thePest Control Sectional Committee had been approved by the Agriculturaland Food Products Division Council and the Chemical Division Council.

0.2 This standard was first issued in 1959 and was revised in 1967. Thesecond revision has been issued to incorporate the requirements for packingand tolerances as permitted in the nominal active ingredient of the formula­tion. In this revision modified test method for estimation of copper contenthas also been incorporated.

0.3 Copper oxychloride dusting powders are largely used as fungicides forthe control of plant diseases.

0.4 Copper oxychloride dusting powders are generally manufactured tocontain 4 percent ( mjm) of copper.

0.5 In the preparation of this standard, due consideration has been given tothe provisions of the Insecticides Act, 1968, and the Rules framed there­under. However, this standard is subject to the restrictions imposed underthese, wherever applicable.

0.6 For the purpose of deciding whether a particular requirement of thisstandard is complied with, the final value, observed or calculated, expressingdie result of a test or analysis, shall be rounded off in accordance withIS: 2.•,1960*. The number of significant places retained in the rounded offvalue should be the same as that of the specified value in this standard.

1. SCOPE1.1 This standard prescribes the requirements and the methods of samplingand test for copper oxychloride dusting powder formulations.

·Rules for rounding off numerical values ("II;s,d).

3

IS: 1506. 1977

2. REQ.UIREMENTS

2.1 Description - The material shall be in the form of free flowingpowder, devoid of hard lumps and of uniform colour ensuring uniformdispersal of copper oxychloride technical, in the filler used. The materialwhen dusted from a hand rotary duster shall issue freely without cloggingor bridging.

2.2 Copper oxychloride, technical, employed in the manufacture of thismaterial shall conform to IS : 1486-1969*.

2.3 Colour - The colour of the material shall be subject to the agreementbetween the purchaser and the vendor.

2.4 The material shall also comply with the requirement given in Table 1.

TABLE 1 REQUIREMENTS FOR COPPER OXYCHLORIDEDUSTING POWDER

SLNo.

CHARACTEBISTIC REQUIREMENT METHOD OF TEST, REF TO• .A- ,

Appendix of CI No. ofthis standard IS: 6940-1973*

i) Copper content, percentby mass

ii) Material passing through75-micron IS Sievet,percent by mass, Min

iii) Bulk density after com­pacting

(I) (2) (3)

Nominal valueas declared onthe container(see 2.4.1 )

90

Not to exceedthe valueobtained be­fore compac­ting by morethan 60 per­cent

(4)

A

(5)

12.1

12.2

B0'1iv) Alkalinity (as Na2C03),percent by mass, Max

*Methods of tests for pesticides and their formulations.tSee IS: 460-1962 Specification for test sieves (revised). BS Test Sieve 200, ASTM

Test Sieve 200, Tyler Test Sieve 200 have their apertures within the limits specifiedfor the above IS Test Sieve, and may, therefore. be used as 75-micron IS Sieve.

·Specification for copper oxychloride, technical (first revision).

4

SO and above

Up to 9

10 and below SO

IS: 1506 • 1977

2.4.1 Copper Content - When determined by the method prescribed inAppendix A the observed copper content, percent (mlm) of any of thesamples shall not differ from the declared nominal value by more than thetolerance limits indicated below:

Nominal Value, Percent Tolerance

±+ ISOS}' Percent of

the nominal value+ S- 3

2.4.1.1 The actual value of copper content shall he calculated to twodecimal places and then rounded off to one decimal place before applyingthe tolerance as stipulated in 2.4.1.

3. PACKING AND MARKING

3.1 Packing - The material shall be packed in accordance with relevantprovisions of IS : 8190 (Part 1)-1976*.

3.2 Marking - The following information shall be marked legibly andindelibly on each container in addition to the information required underthe Insecticide Act and the Rules:

a) Name of the material;b) Name of the manufacturer;c) Date of manufacture;d) Batch number;e) Copper content (m/m), percent;f) Net mass of contents; andg) The minimum cautionary notice worded as follows:

'SLIGHTLY HAZARDOUS. ALWAYS STORE IN SAFEPLACE. DO NOT USE EMPTY CONTAINERS F.ORS fORAGE OF FOODSTUFFS' AND ANIMAL FEED.IMMEDIATELY AFTER HANDLING WASH HANDSTHOROUGHLY WITH SOAP AND WATER. IN CASE OFPOISONING CALL A PHYSICIAN. FOR TREATMENTIN CASE OF POISONING, SEE INSTRUCTION SHEETACCOMPANYING THE CONTAINER.'

3.2.1 When packed in bags (see 3.1 ), the pictorial marking for' USENO HOOKS, DO NOT PUNCTURE' as specified in IS: 1260 (Part 11)­1973t, shall be stencilled on the bags.

•Requirements for packing of pesticides: Part I Solidpesticides.tPictorial markings for handling and labelling of goods: Part II General goods

(first revision).•

5

IS I 1506-1977

3.2.2 The containers may also be marked with the lSI CertificationMark.

NOTE - The use of the lSI Certification Mark is governed by the provisions ofthe Indian Standards Institution ( Certification Marks) Act and the Rules and Regula­tions made thereunder. The lSI Mark on products covered by an Indian Standardconveys the assurance that they have been produced to comply with the requirementsof that standard under a well-defined system of inspection, testing and quality controlwhich is devised and supervised by lSI and operated by the producer. lSI markedproducts are also continuously checked by lSI for conformity to that standard as afurther safeguard. Details of conditions under which a licence for the use of the lSICertification Mark may be granted to manufacturers or processors, may be obtainedfrom the Indian Standards Institution.

4. SAMPLING

4.1 Representative samples of the material shall be drawn as prescribedin ' Indian Standard methods for sampling of pesticides and their formula-tions' (under preparation). .

NOTlIl- Till such time this standard is published, the samples shall be drawn asagreed to between the parties concerned.

5. TESTS

5.1 Tests shall be carried out by the methods referred to in col 4 and 5 ofTable 1.

5.2 Quality orReagents - Unless specified otherwise, pure chemicalsand distilled water (see is : 1070-1960* ) shall be employed in tests.

NOTlIl - C Pure chemicals' shall mean chemicals that do not contain impuritieswhich affect the results of analysis.

APPENDIX A

[ Table 1, Item ( i ) ]

DETERMINATION OF COPPER CONTENT

A-i. PRINCIPLE

• •

A·l~l Copper is determined by titration of iodine liberated on addition ofpotassium iodide to the weak acidic solution. Difficulties with absorptionof iodine on the cuprous iodide precipitate are avoided by the addition ofpotassium or ammonium thiocyanate.

*Specification for water, distilled quality (revised) •

•6

IS: 1506 - 1977

A-2. REAGENTS.

A-2.1 Nitric Acid - sp gr 1'42 ( see IS : 264-1968* ),

A-2.2 Urea

A-2.3 SodiuDl Carbonate-- anhydrous (see IS: 296-1965t).

A-2.4 Dilute Acetic Acid - 10 percent ( olo ],

A-2.5 PotassiuDl Iodide

A-2.6 Standard Sodium Thiosulphate Solution - 0'1 N, standardizedwith potassium iodate or potassium dichromate.

A-2.7 Starch Indicator Solution - One percent (mlv) (freshlyprepared )~

A-2.8 PotassiuDl or .AJnDloniuDl Thiocyanate

A-3. PROCEDURE

A-3.1 Weigh accurately a quantity of the material containing 0'2 g of theactive ingredient (copper) into a 500-ml conical flask. Firstly, add 25 mlof water and then 5 ml of concentrated nitric acid carefully to avoid anyspurting. If necessary, shake and warm the mixture to effect completedissolution. Heat <this mixture to reduce the volume to a low bulk(about 5 ml ), Add 30 ml of water to this dried material and boil for5 minutes. Remove the flask from the flame, add one gram of urea andboil the mixture again for about 10 minutes. Cool to room temperatureand add sodium carbonate in small quantities until a faint permanentprecipitate or blue colour is produced.. Add dilute acetic acid dropwiseuntil the blue colour or precipitate disappears. If necessary, filter thesolution. Add 1'5 to 2'0 g of potassium iodide and titrate immediately thebrown solution with the standard sodium thiosulphate solution to a' palestraw colour. Add about 2 ml of starch indicator solution and one gram ofpotassium or ammonium thiocyanate and continue the titration until theblue colour is just discharged.

A-4. CALCULATION

6'357 VNCopper content, percent by mass = M

*Specification for nitric acid (first revision).tSpecification for sodium carbonate, anhydrous (revised).

7

IS: 1506 - 1977

wherev = volume in ml of the standard sodium thiosulphate

solution required for the test with the material (steA-3.1 ),

N = normality of the standard sodium thiosulphate solution (seeA-5.1 and A-5.2 ), and

M = mass in g of the material taken for the test (see A-3.1).

A-5. STANDARDIZATION OF SODIUM-THIOSULPHATE SOLU-TION

A-5.0 General- For standardization of sodium thiosulphate solution, twomethods, namely, titration against potassium iodate or potassium dichro­mate solution have been specified. Either of these two methods may beused for standardization of sodium thiosulphate solution, but the methodemployed should be stated while expressing the results of a test.

A-5.1 Standardization with Potassium Iodate

A-5.1.1 Reagents

A-5.I.l.t Potassium iodate - to be ground and dried at lOSoe for2 hours immediately before using.

A.5.t.I.2 Potassium iodide - iodate free.

A-5.l.I.3 Starch indicator solution -- one percent (mJv) (freshlyprepared ).

A-5.l.t.4 Standard hydrochloric acid solution - approximately 2N( chlorine free).

A-5.t.2 Procedure - Weigh accurately about 0·15 g of potassium iodateand dissolve it in 40 ml water in a conical flask. Stopper securely, shaketo dissolve and add 2 g potassium iodide and about 6 ml of standard liydro­chloric acid solution. Titrate the liberated iodine with the thiosulphatesolution with constant shaking. When reaction is nearly complete, asindi.cated by pale yellow colour of the solution, dilute with distilled waterto about 200 ml. Add 2 ml starch indicator solution and continue titrationuntil the solution becomes colourless.

A-S.l.3 Calculation

. (f di hi 1 hate soluti 28·04 XmA-5.t.3.t Normality N) 0 so rum t 10SU P ate so utron = v

wherem = mass in g of potassium iodate, andv = volume in ml of sodium thiosulphate solution required.

8

IS : 1506. 1977

A-5.2 Standardization with Potassium Dichromate

A.5.2.1 Reagents

A-5.2.1.1 Potassium dichromate - dried at 105°C for two hoursimmediately before using.

A-5.2.1.2 Standard hydrochloric acid solution ~ approximately 2 N( chlorine free).

A-5.2.1.3 Potassium iodide - free from iodate.

A-5.2.1.4 Starch indicator solution - one percent (mjv) (freshlyprepared ).

A-5.2.2 Procedure - Weigh accurately between 0'20 g and 0'23 g ofpotassjum dichromate and transfer to a 500-ml conical flask fitted with aground glass stopper. Add 100 ml water and 2 g potassium iodide. andshake until the salt dissolves. Add with swirling 10 ml standard hydrochloricacid solution, stopper the flask and immediately place in a dark place for10 minutes. Titrate the solution with sodium thiosulphate solution. Whenthe solution turns yellowish-green in colour, add I ml of starch indicatorsolution. Continue the addition of sodium thiosulphate solution dropwiseuntil the blue black colour formed on the .addition of starch indicator solu­tion changes to pale green.

A-5.2.2.1 Carry out a blank determination, using distilled waterinstead of the potassium dichromate solution, by the same method( A-5.2.2). If the potassium iodide is iodate free, the volume of sodiumthiosulphate solution used shall be 0'05 ml or less.

A-5.2.2.2 Normality ( N) of sodium 20'4 mthiosulphate solution = ---­

VI - V2

where

m = mass in g of potassium dichromate,

r'l = volume in ml of sodium thiosulphate solution consumed,and

V2 = volume in ml of sodium thiosulphate solution consumed inthe blank.

9

IS : 1506• 1911

APPENDIX B

[Table 1, Item (iv) ]

DETERMINATION OF ALKALINITY

B-1. REAGENTS

B-l.l Standard Sulphuric Acid - 0'1 N.

9-1.2 l\fethyl Orange Indica.tor Solution .......... 0-1 percent. Dissolve 0-5 gof the indicator in 100 ml of alcohol and make up the volume to 500 mlwith distilled water.

B-2. PROCEDURE

B-2.1 Weigh accurately about 10 to 25 g of the material into a 400-ml beaker.Add 100 ml of distilled water (freshly boiled and cooled, carbon dioxidefree), Stir the mixture for 30 minutes. Filter and then titrate thefiltrate against the standard sulphuric acid using methyl orange as anindicator.

9-2·.2 Carry out a blank determination using 100 rnl of distilled water(freshly boiled and cooled, carbon dioxide-free ).

B-3. CALCULATION

Alkalinity as sodium carbonate ( Na2 COa ), 5'3 ( V - v ) Npercent by mass = M

where

V = volume in ml of the standard sulphuric acid required fortest with the material ( see B-2.1 ).

v = volume in ml of the standard sulphuric acid required inblank determination ( see B-2.2 ),

N = normality of the standard sulphuric acid, andM = mass in g of the material taken for the test ( see B-2.1 ).

10

IS I 1506• 197'7

( COIllinUld from page 2 )

Diseases,

SHRI S. C. SRIVASTAVA (Alternate)DB K. SIVASANKABAN Union Carbide India Limited, New Delhi

DR K. N SHRIVASTAVA (Alternate)DR B. L. WAT'l'AL National Institute of Communicable

DelhiSRBI T. PUBNUIANDAM, Director General, lSI (Ex-officio Member)

Deputy Director (Agri & Food)

DR K. S. SINGH

Memb"s RepresentingSRRI M. V. GOPALA KRlSRNA Department of Agriculture, Government of Andhra

SARMA Pradesh, HyderabadSHRI P. SHANKAR RAO (Alternate)

DR G. C. SENGUPTA Department of Agriculture, Government of Orissa,Bhubaneswar

SRBI J. M. SATPATRY ( Altemall )DR K. D. SHARMA Directorate General of Technical Development,

New DelhiIndian Veterinary Research Institute (ICAR),

Izatnagar

SecretarySRBI LA,JINDEB SINGH

Assistant Director (Agri & Food ), lSI

Pesticides Subcommittee, AFCDC 6: 1

ConvenerDR K. D. PARARIA Central Insecticides Board, Directorate of Plant

Protection, Quarantine & Storage (Ministryof Agriculture & Irrigation), Faridabad

Central Forensic Science Laboratory, CentralBureau of Investigation, New Delhi

Pesticides Association of India. New DelhiThe Alkali & Chemical Corporation of India

Limited, Calcutta .

DB S. R. BA:BOO"'HDRN. K. BASU

Department of Food (Ministry of Agriculture .&Irrigation), New Delhi

DR K. KBISHNAMURTHY (Altemate)SRBI E. A. ALllmIDA CIBA-Geigy of India Limited, Bombay

DR R. J. KAMAT ( Alternate)DB H. L. BAMI

MembersDR N. S. AGRAWAL

DB A. P. DUTTA (Alternate)SHBI P. CRAWL'" National Organic Chemical Industries Limited,

BombaySHBI K. D. AMBlII ( Alternah I)SHBJ BRUPINDJIlB SINGH ( Alternat, II )

SHBI K. K. CRRAn. Excel Industries Limited, BombaySHaI P. V. KAxGO (Alternat')

( Contimud on /Jag. 12 )

11

IS : 1506 • 1977

( Continued from page 11 )

Members

SHRI A. K. DAS

DR K. D. SHABMA ( Alternate)DR M. S DHATTSHRI G D. GOKHALJIl

SHRI V. V. KETKAR (Alterntlte)DB KALYAN SINGHSHBI K. S. MEHTA

SHRI S. CHATTJIlBJI (Alternate)DB S. K. MUKHEBJJIlJll

RlfJrumtillgDirectorate General of Technical Development,

New Delhi

National Malaria Eradication Programme. DelhiBombay Chemicals Private Ltd, Bombay

U. P. Institute of Agricultural Sciences. KanpurBharat Pulverising Mills Private Ltd. Bombay

Agricultural Chemicals Division, Indian .Agri-cultural Research Institute ( lOAR ).New Delhi

(CSIR ).Laboratory

Central Revenues Control Laboratory (Ministryof Finance ), New ~lhi

DB R. S. DEWAN (Alterntlte)DB S. N. NAG Hindustan Insecticides Limited, New Delhi

SURI A. N. NATARAJAN ( Alternate)DR T. N. PARTHASARATHY Regional Research

HyderabadTata Chemicals Limited, MithapurSHBI N. B. PATEL

SHBI D. N. V. RAO (Alternate)SHRI S. L. PEUTIPLA~T PROTECTION ADVISER TO

THE GOVERNMENT Oll' INDIA

Ministry of Defence. ( R&D), New DelhiDirectorate of Plant Protection, Quarantine &

Storage (Ministry of Agriculture & Irrigation),Faridabad

DR V. LAKSHlIUNARAYANA ( Alternate)Suur Y. A. PRADHAN Rallis India Limited, Bombay

SURI M. L. SHAH ( Alternate)DR V. S. RAMANATHAN

SlIUI P.· P. MATHEW ( Alternate)Snnr C. DfiARIl':A RAO Pesticides Testing Laboratory, HyderabadSHIU G. K. RAO Ministry of Defence (DGI), New Delhi

DR A. K. SEl'! (Alternate)DR H. N. 1'loHAN RAO Pest Control (India) Private Ltd, Bombay

SIlI:I MOIlAN S. RAO ( Alternate)DR K. K. SAXENA Indofil Chemicals Limited, BombaySHiU S. S. SHAH New Chemi Industries Private Limited, Bombay

Slim ~. A. SUANBflAG (Alternate)SHIU P P. SINGHAl, Pesticides India, Udaipur

SHIn MOHOMED YUBAII' (Alternate)SH/\I N. S. VEN"KETARAMAN Pesticides Testing Laboratory, MaduraiOn 13 L. WA'rTAI, National Institute of Communicable Diseases,

DelhiSHRI V. N. BUATNAGAR (Alternate)

12

251 71

52436

231083

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