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Buffers
A buffer is an aqueous solution which serves to maintain a constant pH resisting any change when there is an addition of a base or an acid. Buffers are used widely in life science laboratories in numerous ways. For procedures like Agarose gel electrophoresis and southern blotting, buffers help in providing conductivity. In protein/nucleic acid extraction/purification and preservation, buffers like Tris-EDTA is used to maintain pH and integrity of the desired components. Phosphate buffered saline (PBS) which contains phosphate along with sodium or potassium salts is used for media preparation and as a diluting agent. Based on the pH requirement, and buffering capacity, different buffers can be selected from amongst phosphates, tris, acetate, etc, which are available from various Biochemical brands
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-23%
Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 2.5% hot aq. solution
Clear
Solubility (Colour) 2.5% hot aq. solution
Colourless
Assay
min. 99%
Loss on drying
max. 0.2%
Acidity (HF)
max. 0.05%
Sulphate (SO4)
max. 0.01%
Iron (Fe)
max. 0.002%
Heavy Metals (Pb)
max. 0.001%
Copper (Cu)
max. 0.0005%
Sulphite ...
Original price was: ₹1,299.00.₹1,000.00Current price is: ₹1,000.00.
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-15%
Appearance (Colour)
Lemon yellow
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 5% solution in Methanol
Clear
Solubility (Colour) 5% solution in methanol
Yellow
Assay (On dry basis)
min. 99%
Sulphated Ash
max. 0.1%
Molar Extinction coefficient (ε)
@257nm
~ 64,995 (Methanol)
Water (KF)
~10%
Storage
-20 °C (Blue/Dry ...
Original price was: ₹3,894.00.₹3,300.00Current price is: ₹3,300.00.
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-14%
Appearance (Colour)
White
Appearance (Form)
Crystalline compound
Solubility (Turbidity) 5% aq. solution
Clear
Solubility (Colour) 5% aq. solution
Colourless
Assay (Complexometric)
min. 98%
pH (5% aq. solution)
4.3 - 5.3
Loss on drying
8.7 - 11.4%
Chloride (CI)
max. 0.1%
Original price was: ₹699.00.₹600.00Current price is: ₹600.00.
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-21%
Appearance (Colour)
Pink
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Pink
Assay (EDTA Titration)
min. 99%
pH (5% aq. solution)
3.5 - 5.0
Water Insoluble matter
max. 0.01%
Chloride (CI)
max. 0.001%
Iron (Fe)
max. 0.001%
Heavy Metals (Pb)
max. ...
Original price was: ₹755.00.₹600.00Current price is: ₹600.00.
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-26%
Appearance (Colour)
White
Appearance (Form)
Crystalline powder/ solid
Solubility (Turbidity) 10% solution in dilute Ammonia
Clear
Solubility (Colour) 10% solution in dilute Ammonia
Colourless
Assay (Complexometric)
min. 99.4%
Insoluble in dilute Ammonium Hydroxide
max. 0.005%
Residue after ignition
max. 0.2%
Iron (Fe)
max. 0.0005%
Heavy ...
Original price was: ₹399.00.₹296.00Current price is: ₹296.00.
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-27%
Appearance (Colour)
White
Appearance (Form)
Crystalline powder/ solid
Solubility (Turbidity) 10% solution in dilute Ammonia
Clear
Solubility (Colour) 10% solution in dilute Ammonia
Colourless
Assay (Complexometric)
min. 99.4%
Insoluble in dilute Ammonium Hydroxide
max. 0.005%
Residue after ignition
max. 0.2%
Iron (Fe)
max. 0.0005%
Heavy ...
Original price was: ₹799.00.₹580.00Current price is: ₹580.00.
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-10%
Specifications pH 7.0 +/- 0.05 (Dissolve contents of 1 capsule & dilute upto 100 ml distilled water to prepare solution of pH 7 at 20°C ) Notes Dissolve contents ...
Original price was: ₹240.00.₹216.00Current price is: ₹216.00.
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-13%
Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Sulphated Ash
max. 0.05%
Chloride (CI)
max. 0.005%
Sulphate (SO4)
max. 0.005%
Iron (Fe)
max. 0.0002%
Heavy Metals (Pb)
max. 0.0001%
Copper (Cu)
max. 0.00005%
Arsenic (As)
max. 0.0001%
Original price was: ₹799.00.₹698.00Current price is: ₹698.00.
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-50%
Appearance (Colour)
Red with bluish tinge or Brownish red
Appearance (Form)
Powder
Loss on drying
max. 8%
Wavelength (?max)
517 nm in water
Absorbance (A) of 1% aq. solution in a 1cm cell v/s H2O
@517nm
1100 - 1300
Clarity ...
Original price was: ₹599.00.₹300.00Current price is: ₹300.00.
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-20%
ExiPlus meets compendial specs of USP Appearance (Colour) White Appearance (Form) Crystalline powder Solubility (Turbidity) 5% aq. solution Clear Solubility (Colour) 5% aq. solution Colourless Assay (EDTA Titration) min. ...
Original price was: ₹24,500.00.₹19,500.00Current price is: ₹19,500.00.
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-18%
Appearance (Form)
Powder
Assay
min. 99.99%
Storage
25 to 40°C (Room Temperature)
Shelf Life
60 Months
Original price was: ₹4,500.00.₹3,700.00Current price is: ₹3,700.00.
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-10%
Appearance (Colour)
White
Appearance (Form)
Crystalline compound
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay
min. 99%
Chloride (CI)
max. 0.05%
Sulphate (SO4)
max. 0.02%
Iron (Fe)
max. 0.002%
Heavy Metals (Pb)
max. 0.002%
Storage
25 to 40°C (Room Temperature)
Shelf Life
60 Months
Original price was: ₹4,400.00.₹3,960.00Current price is: ₹3,960.00.
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-21%
Appearance (Colour)
Brownish yellow
Appearance (Form)
Free flowing ,homogeneous powder
Solubility (Colour) 2% aq. solution
Medium amber to yellowish brown, clear
pH (25°C)
7.0 ± 0.5 (2%)
Stability (After autoclaving)
Medium amber to yellowish brown, clear
Loss on drying
< ...
Original price was: ₹3,400.00.₹2,700.00Current price is: ₹2,700.00.
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-15%
Appearance (Colour)
Brownish yellow
Appearance (Form)
Free flowing ,homogeneous powder
Solubility (Colour) 2% aq. solution
Medium amber to yellowish brown, clear
pH (25°C)
7.0 ± 0.5 (2%)
Stability (After autoclaving)
Medium amber to yellowish brown, clear
Loss on drying
< ...
Original price was: ₹3,186.00.₹2,700.00Current price is: ₹2,700.00.
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-15%
Appearance (Colour)
Orange yellow
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 2% solution in 0.5N NaOH
Clear
Solubility (Colour) 2% solution in 0.5N NaOH
Orange
Assay (UV)
min. 98%
Loss on drying
max. 1.5%
Sulphated Ash
max. 0.1%
Spectral ratio
A444nm/A267nm
0.36 - 0.39
A375nm/A267nm
0.31 - 0.33
Original price was: ₹708.00.₹600.00Current price is: ₹600.00.
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-37%
Appearance (Clarity)
Clear
Appearance (Colour)
Colourless
Appearance (Form)
Liquid
Molarity
0.5000 ± 0.0500 M
pH
7.5 - 8.5
Original price was: ₹799.00.₹500.00Current price is: ₹500.00.
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-6%
Appearance (Colour)
Pink to red
Appearance (Form)
Crystalline compound
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Red
Assay (Complexometric)
min. 99%
Sulphate (SO4)
max. 0.005%
Iron (Fe)
max. 0.001%
Heavy Metals (Pb)
max. 0.001%
Nitrogen Compounds (N)
max. 0.003%
Original price was: ₹1,500.00.₹1,410.00Current price is: ₹1,410.00.
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-38%
Appearance (Colour)
Orange
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% solution in hot 5N H2SO4
Clear
Solubility (Colour) 10% solution in hot 5N H2SO4
Orange
Assay
min. 99%
Storage
25 to 40°C (Room Temperature)
Original price was: ₹1,450.00.₹900.00Current price is: ₹900.00.
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-12%
CAS : 1787-61-7
Molecular Formula : C20H12N3NaO7S
Molecular Weight : 461.39
Original price was: ₹399.00.₹350.00Current price is: ₹350.00.
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-12%
Appearance (Colour) Bluish green Appearance (Form) Crystalline powder Solubility (Turbidity) 10% aq. solution Clear Assay (EDTA Titration) min. 98% Chloride (CI) max. 0.005% Sulphate (SO4) max. 0.05% Iron (Fe) ...
Original price was: ₹999.00.₹875.00Current price is: ₹875.00.
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-37%
Appearance (Colour) Green to dark green to black Appearance (Form) Powder Nickel (Ni) content 76 – 77% Storage 25 to 40°C (Room Temperature) Shelf Life 60 Months IMDG Identification ...
Original price was: ₹14,999.00.₹9,499.00Current price is: ₹9,499.00.
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-19%
Ingredients
gm/lt.
Veg, Peptone
5.00
Dextrose
20.00
Chloramphenicol
0.10
Agar
14.90
Original price was: ₹1,250.00.₹1,010.00Current price is: ₹1,010.00.
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-15%
Appearance (Colour)
Light cream
Appearance (Form)
Free flowing, homogeneous powder
Solubility
13.00 gm/liter
Solubility after autoclaving (Clarity)
Clear without any precipitate
pH (25°C)
7.4 ± 0.2
Prepared Medium Appearance after autoclaving (Clarity)
Clear without any precipitate
Prepared Medium Appearance before autoclaving ...
Original price was: ₹3,304.00.₹2,800.00Current price is: ₹2,800.00.
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-15%
Appearance (Colour)
Pink
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Pink
Assay (EDTA Titration)
min. 98%
Chloride (CI)
max. 0.05%
Iron (Fe)
max. 0.002%
Heavy Metals (Pb)
max. 0.002%
Storage
25 to 40°C (Room Temperature)
Shelf Life
60 Months
Original price was: ₹354.00.₹300.00Current price is: ₹300.00.
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-15%
Appearance (Colour)
White to off-white to pale brown
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 2% aq. hot solution
Clear
Assay (AT)
min. 98%(On dry basis)
Loss on drying
max. 5%
Sulphated Ash
max. 0.1%
Sensitivity to diazotised sulphanilamide
Passes test
Storage
25 to 40°C ...
Original price was: ₹1,062.00.₹900.00Current price is: ₹900.00.
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-15%
Appearance (Colour)
Pale blue to green
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution with 1ml dilute H2SO4
Clear
Solubility (Colour) 10% aq. solution with 1ml dilute H2SO4
Pale green
Assay (Redox Titration)
min. 99%
Insoluble matter
max. 0.01%
Phosphate ...
Original price was: ₹354.00.₹300.00Current price is: ₹300.00.
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-36%
CAS : 538-62-5
Molecular Formula : C13H12N4O
Molecular Weight : 240.26
Original price was: ₹999.00.₹640.00Current price is: ₹640.00.
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-5%
Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay (NT)
min. 99.5%
pH (5% aq. solution)
5.9 - 6.3
Sulphated Ash
max. 0.05%
Loss on drying
max. 0.2%
Chloride (CI)
max. 0.005%
Sulphate (SO4)
max. 0.005%
Iron (Fe)
max. ...
Original price was: ₹1,290.00.₹1,220.00Current price is: ₹1,220.00.
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-15%
ExiPlus
meets compendial specs of USP, BP, Ph.Eur
Appearance (Colour)
White
Appearance (Form)
Crystalline compound
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay (as is)
62 - 70%
Assay (On dry basis)
min. 99%
Loss on drying
30 -35%
Chloride ...
Original price was: ₹660.00.₹560.00Current price is: ₹560.00.
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-9%
Appearance (Colour)
Green
Appearance (Form)
Crystalline powder
Loss on drying
max. 6%
Absorbance (A) of 1% aq. solution in a 1cm cell v/s H2O
@617nm
min 1450
Storage
25 to 40°C (Room Temperature)
Shelf Life
60 Months
Original price was: ₹670.00.₹610.00Current price is: ₹610.00.
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-7%
Storage
8 to 25°C (Cool & Dry Area)
Shelf Life
36 Months
IMDG Identification
Not Regulated for Transport (Non-Haz)
Original price was: ₹1,090.00.₹1,010.00Current price is: ₹1,010.00.
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-15%
Appearance (Colour)
Dark brown to dark green to black
Appearance (Form)
Hygroscopic powder
Assay
min. 98%
Storage
25 to 40°C (Room Temperature)
Shelf Life
60 Months
Original price was: ₹375.00.₹320.00Current price is: ₹320.00.
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-15%
Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Assay (EDTA Titration)
min. 99%
Chloride (CI)
max. 0.005%
Iron (Fe)
max. 0.002%
Copper (Cu)
max. 0.002%
Storage
25 to 40°C (Room Temperature)
Shelf Life
60 Months
Original price was: ₹684.00.₹580.00Current price is: ₹580.00.
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-10%
Appearance (Colour)
Colourless to pale yellow
Appearance (Clarity)
Clear
Appearance (Form)
Viscous liquid
Refractive Index (20°C)
1.515 - 1.516
Density (g/ml) @ 20°C
1.10 - 1.30 g/ml
Storage
25 to 40°C (Room Temperature)
Shelf Life
60 Months
Original price was: ₹999.00.₹900.00Current price is: ₹900.00.
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-10%
Specifications pH 9.2 +/- 0.05 (Dissolve contents of 1 capsule & dilute upto 100 ml distilled water to prepare solution of pH 9.2 at 20°C ) General Information Storage ...
Original price was: ₹240.00.₹216.00Current price is: ₹216.00.
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-40%
Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay (NT)
min. 98%
Acidity
max. 1.0 ml N%
Chloride (CI)
max. 0.01%
Sulphate (SO4)
max. 0.02%
Heavy Metals (Pb)
max. 0.001%
Original price was: ₹499.00.₹300.00Current price is: ₹300.00.
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-16%
Appearance (Colour) Yellow Appearance (Form) Crystalline powder Solubility (Turbidity) 10% aq. solution Clear Solubility (Colour) 10% aq. solution Yellow Assay (Iodometric) min. 99% pH (5% aq. solution) 8.6 – ...
Original price was: ₹1,100.00.₹920.00Current price is: ₹920.00.
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-21%
Appearance (Colour)
Pale green
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Green
Assay
min. 98%
Sulphate (SO4)
max. 0.05%
Iron (Fe)
max. 0.02%
Cobalt (Co)
max. 0.02%
Original price was: ₹2,900.00.₹2,300.00Current price is: ₹2,300.00.
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-37%
Appearance (Colour)
Pale mauve
Appearance (Form)
Solids or crystals
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Orange
Assay (Iodometric)
min. 98%
Insoluble matter
max. 0.005%
Chloride (CI)
max. 0.0005%
Sulphate (SO4)
max. 0.01%
Calcium (Ca)
max. 0.01%
Magnesium (Mg)
max. 0.005%
Potassium (K)
max. 0.005%
Sodium (Na)
max. ...
Original price was: ₹799.00.₹500.00Current price is: ₹500.00.
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-10%
Specifications pH 4.0 +/- 0.05 (Dissolve contents of 1 capsule & dilute upto 100 ml distilled water to prepare solution of pH 4.0 at 20°C) Notes Dissolve contents of ...
Original price was: ₹240.00.₹216.00Current price is: ₹216.00.
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-17%
Appearance (Colour) White to pale yellow Appearance (Form) Powder Solubility (Turbidity) 2% solution in Methanol Clear Assay (Iodometric) min. 99% Melting Point 258 – 263°C Loss on drying max. ...
Original price was: ₹599.00.₹499.00Current price is: ₹499.00.
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-30%
Appearance (Colour)
White to off-white yellowish
Appearance (Form)
Powder
Solubility (Colour) 10% aq. solution
Viscous brown
Ash
max. 4%
Acid insoluble ash
max. 1%
Loss on drying
max. 15%
Starch & Dextrin
Passes test
Agar Tragacanth
Passes test
Glucose & Fructose
Passes test
Original price was: ₹800.00.₹560.00Current price is: ₹560.00.
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-42%
Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay (NaOH Titration, On dry basis)
min. 99%
pH (10% aq. solution)
8.5 - 9.5
Residue after ignition
max. 0.1%
Heavy Metals (Pb)
max. 0.001%
Original price was: ₹599.00.₹350.00Current price is: ₹350.00.
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-10%
Appearance (Colour)- Faint Grey to Very Dark Grey
Appearance (Form)- Bars/Sticks
Assay, Sulfide(S)- 23.0 - 27.0%
Original price was: ₹999.00.₹900.00Current price is: ₹900.00.
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-15%
Appearance (Colour)
White to off-white
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 5% solution in Methanol
Clear
Assay (NaOH titration)
min. 90%
Melting Point
223 - 225°C
Storage
25 to 40°C (Room Temperature)
Shelf Life
60 Months
Original price was: ₹1,770.00.₹1,500.00Current price is: ₹1,500.00.
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-12%
Appearance (Colour)
Green or bluish - green
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution with 1ml dilute H2SO4
Clear
Assay (Redox Titration)
min. 99.0%
Water Insoluble matter
max. 0.01%
Chloride (CI)
max. 0.001%
Phosphate (PO4)
max. 0.001%
Copper (Cu)
max. 0.0005%
Potassium (K)
max. ...
Original price was: ₹375.00.₹330.00Current price is: ₹330.00.
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-15%
Appearance (Colour)
Green
Appearance (Form)
Powder
Solubility (Turbidity) 0.1% solution in 50% Ethanol
Clear
Loss on drying
max. 8%
Absorbance (A) of 1% solution in 50% Ethanol in a 1cm cell
.
@552nm
min. 2300
Storage
25 to 40°C (Room Temperature)
Shelf Life
60 ...
Original price was: ₹908.00.₹770.00Current price is: ₹770.00.
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-15%
Appearance (Colour)
Brownish yellow
Appearance (Form)
Solid
Assay
min. 97%
Insoluble matter
max. 0.01%
Nitrate (NO3)
max. 0.01%
Sulphate (SO4)
max. 0.01%
Phosphate (PO4)
max. 0.01%
Calcium (Ca)
max. 0.01%
Magnesium (Mg)
max. 0.005%
Potassium (K)
max. 0.005%
Sodium (Na)
max. 0.05%
Zinc (Zn)
max. 0.003%
Ferrous iron (Fe++)
max. 0.002%
Original price was: ₹800.00.₹680.00Current price is: ₹680.00.