Table of Contents

Tea Quality Testing

 

Tea Products
Tea Products

 

Material Test

 

 

Tests Performe

 

Test Method

 

Tea

Loss on drying

IS: 3633-1972 / ASC Specification No.185A

 

Total ash

IS:5982 :2003

 

Acid insoluble ash

IS:5982 :1970 / IS:15279-2003

 

Water soluble ash

IS:1679-1960

 

Alkalinity of water soluble ash

IS:5982 :1970 / IS: 15279-2003

 

Water extract

IS:5975 :1970 / IS: 1679-1969

 

Crude Fibre

IS:1679 :1960 / IS: 15279-2003

 

Iron

IS:1151 :1969

 

Copper

APHA3030D APHA3030D3030J: 1992

 

Colouring matter

APHA3030D3030J: 1992

 

Foreign matter

 

 

Caffeine content

 

 

Tannin content

 

Stimulant Foods

 

 

Tobacco &

Loss on heating

IS: 5643-1999

Chewing products

Total alkaloids

IS: 5643-1989

(Pan masala, Gutkha, Catechu)

Total ash

IS: 5643-1989

 

Acid insoluble ash

IS: 5643-1989

 

Total chlorides

IS: 5643-1989

 

Nicotine contents

IS: 5643-1989

Pet foods

Carbohydrates

IS: 1656-1997

 

Protein

IS: 7219-1973

 

Fat

IS: 4684-1975 /

 

Total Ash

IS:1656-1997

 

Acid insoluble ash

IS: 1009-1979

 

Alkalinity of ash

IS:1164-1986

 

Cocoa butter

IS:1164-1986

 

Caffeine

IS: 2791-1992

 

 

 

 

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