|Year : 2012 | Volume
| Issue : 1 | Page : 143-145
Identifications studies of Lauha Bhasma by X-ray diffraction and X-ray fluorescence
SC Bhargava1, K. R. C Reddy2, G. V. S Sastry3
1 Junior Resident, Department of Rasa Shastra, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
2 Associate Professor, Department of Rasa Shastra, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
3 Professor and Head, Department of Mettallurgical Engineering, Institute of Technology, Banaras Hindu University, Varanasi, Uttar Pradesh, India
|Date of Web Publication||28-Aug-2012|
K. R. C Reddy
Associate Professor, Department of Rasa Shastra, Faculty of Ayurveda, IMS,BHU, Varanasi, Uttar Pradesh
| Abstract|| |
Procedures for preparation of Lauha Bhasma are described in ancient texts of Ayurveda. These procedures also begin with different source material for iron such as Teekshna Lauha and Kanta Lauha etc. In the present study, we have selected different source materials viz. magnetite iron ore for Kanta Lauha and pure (Armco grade) iron turnings for Teekshna Lauha. The standard procedures of preparation of Lauha Bhasma are carried out in identical conditions for these two raw materials. The final product from the Puta are characterized by using X-ray diffraction and X-ray fluorescence spectroscopy to understanding the crystallographic form or forms of iron oxides and their composition at the end of each Puta. The iron content at the end of repeated Putas (18 for Kanta Lauha and 20 for Teekshna Lauha) have shown a decrease in case of Teekshna Lauha since the starting material is pure iron while it showed only marginal decreases in the case of Kanta Lauha because the Fe 3 O 4 of magnetite is undergoing oxidation to Fe 2 O 3 . The trace elements remain within the Bhasma in the form of various oxides of Si, Al, Ca, etc.
Keywords: Lauha Bhasma , X-ray diffraction, X-ray fluorescence
|How to cite this article:|
Bhargava S C, Reddy K, Sastry G. Identifications studies of Lauha Bhasma by X-ray diffraction and X-ray fluorescence
. AYU 2012;33:143-5
| Introduction|| |
As the research methodology of ancient and modern parameters are different but objective behind analytical remain same, a combined analytical study is adopted for screening the drug. Iron is important in the formation of haemoglobin, myoglobin and other substances such as cytochromes, cytochrome oxidase, peroxidase and catalyse. It is essential to understand the means by which iron is utilized in the body. In Ayurveda iron in the form Lauha Bhasma is advised in the treatment of diseases like Pandu (Anemia) etc. Hence in present study characterization of Lauha Bhasma is conducted. In the medical field, it becomes mandatory to study complete analytical profile of the drug for its better understanding of drug without which a drug cannot claim a position in market. There are various kinds of parameters adopted in this regard.
Two samples of Kanta Lauha and one sample of Teekshna Lauha are used in the preparation of Lauha Bhasma. The pharmaceutical study is conducted in three batches which are mentioned below.
Batch "A" : Teekshna Lauha (Iron turning)
Batch "B" : Kanta Lauha (Magnetite iron ore)
Batch "C" : Kanta Lauha (Magnetite iron ore)
Procurement of raw material
- Teekshna Lauha (Iron Turnings) were collected from Dept. Of Metallurgy, IT, BHU, Varanasi.
- Kanta Lauha (Magnetite iron ore) were collected from NML Jamshedpur (Jharkhand).
- Tila taila was collected from Ayurvedic Pharmacy, BHU, Varanasi.
- Gomutra was collected from Dairy farm, Institute of Agriculture sciences, BHU, Varanasi.
- Triphala and Kulattha collected from Gola Dinanath, Varanasi.
| Aims and Objectives|| |
To analyze Lauha Bhasma by X-ray diffraction (XRD) method. and X-ray fluroscence (XRF) methods.
| Materials and Methods|| |
Lauha Bhasma was prepared by following classical guidelines i.e., Samanya Shodhana, Vishesha Shodhana, Bhanupaka, Sthalipaka and Putapaka. In the above steps Samanya Shodhana was done on the basis of Rasa Ratna Samucchya, and rest of all steps were done on the basis of Rasendra Sara Sangraha. 
Observations and results of X-ray diffraction
Data were recorded from 2q = 10-80 at a scanning rate of 4 0 / mm of 6 kw energy. XRD pattern as shown in the above figure, that the iron oxide is manly present in the form of aFe 2 O 3 and Fe 3 O 4 (Magnetite). The raw material as it was iron turning processed to get the Bhasma(Sample-A7) is aFe 2 O 3 and the other two Bhasma sample B7 and C7 are also aFe 2 O 3 ; however, starting material (raw material) was Fe 3 O 4 (Magnetite) B1 and C1, respectively. During the process of Bhasmaikarana at high temperature heating (600) iron oxide formed in its most stable state i.e., aFe 2 O 3 . Therefore all the Bhasma showed aFe 2 O 3 phase independent the starting raw material. The magnetite phase Fe 3 O 4 is a mixture of two states of iron i.e., iron FeO and Fe 2 O 3 . The FeO state easily converted to its most stable higher state Fe (III) and form Fe 2 O 3 either g or a phase. At higher temperature aFe 2 O 3 is most stable; therefore, it forms in this state only. The imported data is presented in [Table 1] and [Figure 1].
|Figure 1: X- Ray diffractograms|
A7-Teekshna Lauha Bhasma, B1 - Kanta Lauha raw material, B7 - Kanta Lauha Bhasma, C1 - Kanta Lauha raw material, C7 - Kanta Lauha Bhasma.
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Observations and results of X-ray fluroscences
Sample of all the three batches viz.,Teekshna Lauha (Iron turning) A, Kanta Lauha (Magnetite iron ore) B and Kanta Lauha (Magnetite iron ore) C were subjected to XRF spectroscopy. The imported data is presented in [Table 2].
Sample 1 : Raw material
Sample 2 : After sthalipaka
Sample 5 : After 10th Puta,
Sample 7 : After 18th Puta for magnetic and 20thPuta for iron turning
Batch A : Teekshna Lauha (Iron turning)
Batch B : Kanta Lauha (Magnetite iron ore)
Batch C : Kanta Lauha (Magnetic iron one)
Firstly, the iron contents (in the form of an oxide) is increasing in the sample of Kanta Lauha (B and C) with increasing No. of Putas while in case of iron turnings (Teekshna Lauha A), the iron contents estimated by XRF is lower than the starting (Raw) material as in this case the iron along with its alloying elements is being oxidized. The minor elements such as Si, Al, Ca and Mn have shown an increase in their weight fraction at the end of the processing in the case of iron turnings while they either remained constant or showed marginal increase in the case of Kanta Lauha samples. However, increase in Si contents in the case of these samples is significantly high.
Other elements are also present in the samples found during XRF analysis. It is interesting to observe that few of them are from the groups of
P, Cl, Ni, Ar, S, K, Tb, Sm, W, Dy, Cu, Zn, Gd, Co, Rb, Sr, Ti, Er, Ga, Y, Na.
| Conclusions|| |
The iron contents (Fe 2 O 3 ) at the end of repeated Putas has shown a decrease in the case of Teekshna Lauha since the starting material is pure iron while it showed only marginal decrease in case of Kanta Lauha because the Fe 3 O 4 of magnetite is undergoing oxidation to Fe 2 O 3 . The other elements remain within Bhasma in the form of various oxides of Si, Al, Ca, etc., the source of these elements is either by mortar, raw material itself or the triphala kwatha  added during trituration.
| References|| |
|1.||Acharya Vagbhata, Rasa Ratna Samuchchhaya, Edited by Sri Dattatreya Ananta Kulkarni. New Delhi: ML Publication (Reprint); 2007. |
|2.||Bhatt Sri Gopala Krishna, Resendra Sara Samgraha, Edited by Vaidya Satyarth Prakash.1 st ed.Varanasi: Krishnadas Academy Publishers; 1992. |
|3.||Chaudhary RP, Kumar A, Garg AN. Elemental Characterization of Triphala powder and tablets by instrumental neutron activation analysis, thermal analysis and spectral studies of galic acid. J Herb Pharmacother 2007;7:15-29. |
[Table 1], [Table 2]