藥典: Sodium Ascorbate(抗壞血酸鈉)

since: 2018/08/12
update: 2018/08/12
reference:
1. The Darkroom Cookbook 4th Edition
2. Sodium ascorbate - Wikipedia

---------------------------------------------------------------------------

Sodium Ascorbate(抗壞血酸鈉)(p.214)

Synonyms: Soda ascorbate, Sodium Isoascorbate, Vitamin C sodium.
同義詞：蘇打抗壞血酸，異抗壞血酸鈉，維生素C鈉。

Appearance: White crystals.
外觀：白色晶體。

Uses: Ecologically friendly developing agent.
用途：生態友好型顯影媒介。

Notes: Sodium ascorbate is usually in combination with metol or Phenidone.
It may be used as a substitute for ascorbic acid in film developers.
It may also be used as a substitute for hydroquinone.
Try using 1.8 times the weight of the hydroquinone.
The alkali does not have to be increased because sodium ascorbate is not acidic.
注意：抗壞血酸鈉通常與 metol 或 Phenidone 結合使用。
它可以用作薄膜顯影劑中抗壞血酸的替代品。
它也可以用作對苯二酚的替代物。
嘗試使用1.8倍對苯二酚重量的份量。
由於抗壞血酸鈉不是酸性的，因此不必增加鹼。

Substitutions: Sodium ascorbate is available in health food stores and the canning goods department of some grocery stores.
Ten grams of sodium ascorbate can be substituted with 8.89 grams of ascorbic acid.
Sodium ascorbate can be replaced with sodium isoascorbate, weight for weight.
替代品：抗壞血酸鈉可在保健食品商店和一些雜貨店的罐頭部門購買。
10克抗壞血酸鈉可以用8.89克抗壞血酸代替。
抗壞血酸鈉可以用異抗壞血酸鈉代替，重量為重量。

(see Acid, ascorbic; Hydroquinone; and Sodium isoascorbate)
(參見酸，抗壞血酸;對苯二酚;和異抗壞血酸鈉)