Firstcall Photographic

Bellini Boric Acid - 50g

Bellini Boric Acid - 50g - Main image
$9 $12 In stock

Category: Film & Film Processing Raw Chemicals

硼酸可作為微粒顯影添加劑,或與硼砂搭配使用時作為溶液緩衝劑。也可用作酸性定影液成分。硼酸及其鹽類存在於海水中,也存在於植物中,包括幾乎所有水果。


其化學式為 H3BO3

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Customer Reviews (5.0 / 5 · 5 reviews)

Christopher U. ★★★★★

Mixing a tiny pinch of this into my D-76 gave noticeably tighter grain on 35mm Tri-X. The powder dissolves cleanly with no residue, and the 50g bag will last through many batches. Exactly what I needed for finer-grained negatives.

Owen ★★★★★

Fine grain development has been noticeably smoother since I started adding this to my working solution, and it dissolves pretty quickly without any residue. The 50g size is enough for quite a few batches if you're just doing occasional film processing.

Scarlett ★★★★★

I was worried about getting the right buffer for my developer mix, but this powder dissolves perfectly clear with no residue. The 50g size is just enough for my trial runs.