Cuttlefish is a marine starfish craft foods rich in nutrients, protein and minerals. While cuttlefi

ABSTRACT
Cuttlefish is a marine starfish craft foods rich in nutrients, protein and minerals. While cuttlefish shells starfish craft commonly used as a food supplement for birds and turtles because it contains calcium carbonate, sodium starfish craft chloride, calcium phosphate and magnesium salts. This study aims to determine the levels of calcium and magnesium in the shells of cuttlefish atomic absorption spectrophotometry. starfish craft The sample used is the result of the destruction of the filtrate starfish craft cuttlefish shells were measured at a wavelength of 422.7 nm and 285.2 for calcium to magnesium. The benefit of this study is to provide information on the content element of Calcium and Magnesium in cuttlefish shell so it can be used as a source of minerals.
INTRODUCTION
Praise to Allah SWT for all the blessings and His grace, so that I can finish it with a good research proposal. The research proposal is structured as structured assignments Research Methodology course. This research proposal entitled "Determination of Levels starfish craft of Calcium (Ca) and magnesium (Mg) in the shell of Cuttlefish (Sepia sp.) By Atomic Absorption Spectrophotometry Method."
The author realizes that there are still many shortcomings in this research proposal writing. Therefore, the authors expect criticism and suggestions that can build up in the refinement of this research proposal. Hopefully this article useful to those who need it.
Author
TABLE OF CONTENTS
ABSTRACT ........................................................................... .. i
Iii TABLE OF CONTENTS ........................................................................ ..
1.1 Background ....... ......................................................... 1
1.2 Problem Formulation .... ...................................................... .. 2
1.3 Research Objectives ... .. ...................................................... .. 2
1.4 Benefits Research ......................................................... .. 2
Cuttlefish ........................................................................ 2.1. 3
2.2 Chemical starfish craft Composition ............... R Cuttlefish