1. เตรียมตัวอย่างจากธรรมชาติทั้งสดแ

1. preparation of samples from all natural, fresh and dry, 100 g each, and split เป็อ 2 grill parts. Section 50 g.2. bring the fresh and dried sample is divided into two beaker beaker 50 grams each, and then fill each beaker Ethanol 95% 100 ml. leave it soaking as a 24-hour time.3. the example that most secondary sludge separation. with some fabric ink with water.4. after that, leading by example both fresh and dry, another 50 g put in the filter, and then ink soak 24 hours.5. ink makrong are concentrated.

1. Prepare all-natural, fresh and dried at 100 grams and is divided into two parts each. The 50 g per
second. Fresh and dried samples into two beakers beaker and add 50 g Ethanol 95% per 100 milliliter beaker and leave to soak for 24 hours
Example 3. Soak them with ink with a secondary decanting. some fabrics
4. After the trial, both fresh and dried, put another 50 grams in public water filter cartridges that have been soaked for 24 hours,
5. The call will be very concentrated ink.