Description
Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis
Winemakers add sulfur dioxide (SO2) to wine in order to inhibit bacteria and wild yeast growth and to serve as an antioxidant to prevent browning. When SO2 is added to wine, a portion of it becomes immediately bound while a remaining portion is unbound SO2. The portion that is unbound is also called free SO2; it is responsible for protecting the wine. The bound and free SO2 together are referred to as total SO2. The relationship between the amount of SO2 added and the amount of free SO2 is complex. This relationship is governed by the total amount of SO2 in the wine and the ability of compounds (e.g. sugars, aldehydes, keto acids, quinones, anthocyanin) to bind to the SO2. The exact relationship between free and bound will vary wine to wine.
The amount of free SO2 depends on how much is added, how much was present before the addition and how much was immediately bound. Free SO2 exists in two forms. Bisulfite (HSO3–) is the predominante form but is relatively ineffective. Molecular SO2 is the minor form and is responsible for protecting the wine. The amount of molecular SO2 available in wine is dependent upon the amount of free SO2 present and the pH. Typically 0.8 ppm of molecular SO2 provides adequate protection against bacteria growth and oxidation. In order to obtain this value for a wine sample that has a pH of 3.2 you would need 22 ppm of free SO2, if the pH was at 3.5 you would need double, 44 ppm.
|
pH |
3.0 |
3.1 |
3.2 |
3.3 |
3.4 |
3.5 |
3.6 |
3.7 |
3.8 |
3.9 |
|
Free SO2 |
14 |
18 |
22 |
28 |
35 |
44 |
55 |
69 |
87 |
109 |
Molecular SO2 can be detected by human senses at about 2.0 ppm. This level is needed for maximum protection of wine. Higher levels are needed for sweet and most notable, botrytised wine. The HI 84500 can be used to test for free and total SO2 in all wines, including red, which are difficult to test using traditional methods due to the inability to see the distinctive color change that occurs at the end point.
The HI84500 offers a reliable, accurate, and fast way to analyze free and total sulfur dioxide. This mini titrator dispenses the titrant, detects the endpoint, and performs all necessary calculations automatically in a fraction of the time as compared to a manual titration. As found in Triage for Basic Wine/Grape Lab by Richard Carey, “the mini-titrator by Hanna reduces the time for an individual analysis by 75%”.
Dan kami juga melayani penjualan dan pengiriman perlengkapan serta bahan konsumable untuk laboratorium kimia, mikrobiologi, lingkungan ke seluruh kota Indonesia. Berikut adalah kota-kota yang kami bisa melakukan pengiriman:
Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Jakarta, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Bekasi, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Tangerang, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Bogor, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Bandung, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Semarang, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Purwokerto, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Yogyakarta Jogja, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Solo Surakarta, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Magelang, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Malang, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Surabaya, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Denpasar Bali.
Kemudian kota-kota Sumatera berikut ini:
Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Lampung, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Palembang, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Medan, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Jambi, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Aceh, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Padang, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Riau Pekanbaru, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Batam.
Dan Selanjutnya kota-kota Kalimantan berikut ini:
Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Tarakan, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Banjarmasin, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Pontianak, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Balikpapan, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Palangkaraya, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Samarinda.
Kemudian kota-kota Sulawesi berikut ini:
Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Makassar, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Kendari, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Palu, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Manado, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Mamuju.
Kota-kota Indonesia Timur lainnya, seperti berikut:
Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Maluku Ambon, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Papua Jayapura, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Papua Manokwari, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Gorontalo, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Mataram, Jual Alat Laboratorium Kimia, Mikrobiologi, Lingkungan Hanna HI84500 Sulfur Dioxide Mini Titrator for Wine Analysis di Kota Kupang.
Terima kasih atas perhatian dan kerjasamanya.
Reviews
There are no reviews yet.