日韩桃色精品,AV日韩网,国产女人精品免费网站,射久久久久久久,超碰97在线直播,思思热999re,久久大香蕉在线视频,国产视频九色在线,在线极品国产精品专区

化學(xué)配方數(shù)據(jù)庫
配方類型: PHOTOGRAPHY
配方說明: Stayflat Photographic Film
配方組成: Carbolic Acid/6 drops
Gelatin/3 oz.
Water/To make 32 oz.
Glycerin/3 oz.
配制方法: The gelatin and glycerin are mixed with 24 oz. of cool water and allowed to stand at room temperature for 30 minutes before heating to 120F. until the gelatine dissolves. The acid and remaining water to make 32 oz. of solution ar then added. The mixture should be applied to the glass or metal (aluminum) support at a temperature of 90F. and the coated surface allowed to set for about 24 hours to congeal and condition the gelatin.

返回?cái)?shù)據(jù)庫查詢
QQ: 2241752642
微信二維碼
電話: 19906633110
长宁县| 永城市| 丰城市| 嘉禾县| 武陟县| 兴安盟| 山西省| 慈利县| 沙湾县| 浙江省| 贡觉县| 阿图什市| 达州市| 博乐市| 衢州市| 双牌县| 广汉市| 紫云| 宁国市| 丹江口市| 手机| 墨玉县| 江源县| 汤阴县| 夏津县| 凭祥市| 获嘉县| 永康市| 阿克| 宁夏| 河津市| 牙克石市| 牡丹江市| 华安县| 兴隆县| 阳城县| 灵武市| 马尔康县| 吴堡县| 广东省| 阳曲县|