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MUSHROOM CULTIVATION

CALCIUM CARBONATE ( DERIVED FROM ORGANIC SOURCE OYSTER SHELL )
GYPSUM
CALCIUM SULPHATE
LIME ( HYDRATED LIME )
LIME STONE POWDER
CALCIUM CARBONATE ( NATURAL )


Calcium Carbonate (Natural)

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Calcium Carbonate (Natural)
Approx. Rs 12.50 / Bag
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Certificate of analysis:
AppearanceFine white powder; chalky taste
Odorodorless
Density2.711 g/cm3 (calcite)
2.83 g/cm3 (aragonite)
Melting point825 °C (aragonite)
1339 °C (calcite)[2]
Boiling pointdecomposes
Solubility in water0.0013 g/100 mL (25°C)[3]
Solubility product, Ksp4.8×10−9[1]
Solubility in dilute acidssoluble
  • Minimum Order Quantity: 50 Bag
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    Calcium Carbonate (Oyster Shell)

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    Calcium Carbonate (Oyster Shell)
    Approx. Rs 29.00 / Bag
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    CALCIUM CARBONATE ( OYSTER SHELL )

    Certificate of analysis:

    AppearanceFine white powder; chalky taste
    Odorodorless
    Density2.711 g/cm3 (calcite)
    2.83 g/cm3 (aragonite)
    Melting point825 °C (aragonite)
    1339 °C (calcite)[2]
    Boiling pointdecomposes
    Solubility in water0.0013 g/100 mL (25°C)[3]
    Solubility product, Ksp4.8×10−9[1]
    Solubility in dilute acidssoluble
  • Minimum Order Quantity: 50 Bag
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    Calcium Sulphate

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    Calcium Sulphate
    Approx. Rs 29 / Bag
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    CERTIFICATE OF ANALYSIS

         

    TEST PERFORMED

    LIMIT

    RESULSTS

    DESCRIPTION

    White hygroscopic powder odorless, tasteless.

    Complies 

    SOLUBILITY

    Slightly soluble in water, practically in soluble in alcohol.

    Complies 

    IDENTIFICATION

    A) Gives reaction of calcium

    Complies 

    pH

    Between 6.5 and 9.0

    7.1

    SETTING PROPERTIES

    4 to 6 min (240 sec to 360 sec)

    245 to 345sec

    ACID INSOLUBLEMATTER

    NMT – 5 Mg.

    4 mg

    LOSS ON IGNITION

    BETWEEN 4.5 to 8%

    7. 25%

     

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    Hydrated Lime

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    Hydrated Lime
    Approx. Rs 21 / Bag
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    CERTIFICATE OF ANALYSIS 

    Chemical Property :

    Content

    Lime as Ca (OH)2

    :

    90%

     

    Active CaO

    :

    68%

     

    Acid insolubles

    :

    1 %

    Max

    Iron Alumina as Fe2O3 Al2O3

    :

    Traces

     

    Magnesia as MgO

    :

    0.6%

    Max

     

    Physical Property :

    Mesh (BSS)              :

    250

     

     General Data    :

    Free flowing fine powder devoid of grits and impurities

  • Minimum Order Quantity: 50 Bag
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    Astrra Chemicals
    Sanklesh Fatechand Chabria (Managing Partner)
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    Chennai - 600006, Tamil Nadu, India
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